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    Pochtani qabul qilish protokollari




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    Bog'liq
    boborahim mustaqil ish
    sabzini quritish texnologiyasini takomillashtirish, 506-Article Text-1205-1-10-20201028, Usmonov Islomiddin, Milliy hisoblar tizimida ishlab chiqarish sohasining chegaralari 2, 1 kurs magistrlarining IPI bo\'yicha taqsimlanishi uz, muzqaymoq, Sholg\'om yetishtirish, мақола алишер АВАЗОВ, MARKAZIY OSIYO VA KAVKAZDA BOZORGA, Dukkakli don ekinlari zararkunandalari va ularga qarshi kurash, 1-илова (ТАТУ КФ), guruhlash usuli 7, Architecture Studio by Slidesgo, ҚИШЛОҚ ХЎЖАЛИГИ ЭКИНЛАРИНИ МОНИТОРИНГ ҚИЛИШ, 1.O\'tkir Hoshimov- Dunyoning ishlari
    Shifrlash
    Ulanishni o'rnatish uchun keyingi narsa SMTP ob'ektiga xabar shifrlangan bo'lishi kerakligini "aytish" dir. Buning uchun konsolga ushbu qatorni kiritamiz va Enter tugmasini bosamiz:
    smtpObj.starttls()

    Biz nima qildik: biz Gmail’ga ulanishimiz bugungi kunda Internet aloqalari uchun standart bo‘lgan TLS (Transport Layer Security) yordamida shifrlanishini xohlayotganimizni aytdik. TLSning o'zi kriptografik algoritm emas, balki u shifrlashdan foydalanish kerakligini yoki ulanish o'rnatilmasligini bildiradi.


    Javob sifatida siz tasdiqlashni olishimiz kerak:
    2.0.0 Ready to start TLS
    Muhim nuqta shundaki, agar siz ushbu bosqichni o'tkazib yuborsak va to'g'ridan-to'g'ri avtorizatsiyaga o'tsak, ekranda xato xabarlari paydo bo'ladi. Buning sababi shundaki, Gmail HTTPS protokoli yordamida shifrlashni qo'llaydi, ya'ni qo'shimcha TLS protokoliga " o'ralgan " bir xil HTTP.
    Avtorizatsiya
    Kirish uchun biz shunchaki yozishimiz kerak
    smtpObj.login(designerboborahim@gmail.com','********')

    Ushbu bosqichda elektron pochta paroli, etadigan bo'lsa, noma'lum tomonga uchadi, bu juda xavflidir. Mahalliy kompyuterda bu muammo emas, lekin agar biz aslida Python skripti bilan elektron pochta xabarlarini avtomatlashtirayotgan bo‘lsak, skript kodini istalgan joyda nashr qilish yoki skript faylini uchinchi tomon saytlariga yuklashdan oldin ehtiyot bo‘lish kerak va ikki marta o‘ylab ko‘rish kerak. .


    Xabar yuborish
    Buyruq tarjimoni bilan muhitlardan foydalanishning afzalligi shundaki, agar hech qanday ma'lumot bo'lmasa ham - masalan, xat yuborish tavsifi - bu haqda professional dasturchining o'zidan so'rashimiz mumkin. Buning uchun quyidagi buyruqni kiritish kerak:
    help(smtpObj)
    Shunda bizga smtplib kodidan foydalanish boyicha qo’llanma beradi
    Help on module smtplib:

    NAME
    smtplib - SMTP/ESMTP client class.

    MODULE REFERENCE
    https://docs.python.org/3.9/library/smtplib

    The following documentation is automatically generated from the Python


    source files. It may be incomplete, incorrect or include features that
    are considered implementation detail and may vary between Python
    implementations. When in doubt, consult the module reference at the
    location listed above.

    DESCRIPTION


    This should follow RFC 821 (SMTP), RFC 1869 (ESMTP), RFC 2554 (SMTP
    Authentication) and RFC 2487 (Secure SMTP over TLS).

    Notes:


    Please remember, when doing ESMTP, that the names of the SMTP service
    extensions are NOT the same thing as the option keywords for the RCPT
    and MAIL commands!

    Example:


    >>> import smtplib
    >>> s=smtplib.SMTP("localhost")
    >>> print(s.help())
    This is Sendmail version 8.8.4
    Topics:
    HELO EHLO MAIL RCPT DATA
    RSET NOOP QUIT HELP VRFY
    EXPN VERB ETRN DSN
    For more info use "HELP ".
    To report bugs in the implementation send email to
    sendmail-bugs@sendmail.org.
    For local information send email to Postmaster at your site.
    End of HELP info
    >>> s.putcmd("vrfy","someone@here")
    >>> s.getreply()
    (250, "Somebody OverHere ")
    >>> s.quit()

    CLASSES
    builtins.OSError(builtins.Exception)


    SMTPException
    SMTPNotSupportedError
    SMTPRecipientsRefused
    SMTPResponseException
    SMTPAuthenticationError
    SMTPConnectError
    SMTPDataError
    SMTPHeloError
    SMTPSenderRefused
    SMTPServerDisconnected
    builtins.object
    SMTP
    SMTP_SSL

    class SMTP(builtins.object)


    | SMTP(host='', port=0, local_hostname=None, timeout=, source_address=None)
    |
    | This class manages a connection to an SMTP or ESMTP server.
    | SMTP Objects:
    | SMTP objects have the following attributes:
    | helo_resp
    | This is the message given by the server in response to the
    | most recent HELO command.
    |
    | ehlo_resp
    | This is the message given by the server in response to the
    | most recent EHLO command. This is usually multiline.
    |
    | does_esmtp
    | This is a True value _after you do an EHLO command_, if the
    | server supports ESMTP.
    |
    | esmtp_features
    | This is a dictionary, which, if the server supports ESMTP,
    | will _after you do an EHLO command_, contain the names of the
    | SMTP service extensions this server supports, and their
    | parameters (if any).
    |
    | Note, all extension names are mapped to lower case in the
    | dictionary.
    |
    | See each method's docstrings for details. In general, there is a
    | method of the same name to perform each SMTP command. There is also a
    | method called 'sendmail' that will do an entire mail transaction.
    |
    | Methods defined here:
    |
    | __enter__(self)
    |
    | __exit__(self, *args)
    |
    | __init__(self, host='', port=0, local_hostname=None, timeout=, source_address=None)
    | Initialize a new instance.
    |
    | If specified, `host` is the name of the remote host to which to
    | connect. If specified, `port` specifies the port to which to connect.
    | By default, smtplib.SMTP_PORT is used. If a host is specified the
    | connect method is called, and if it returns anything other than a
    | success code an SMTPConnectError is raised. If specified,
    | `local_hostname` is used as the FQDN of the local host in the HELO/EHLO
    | command. Otherwise, the local hostname is found using
    | socket.getfqdn(). The `source_address` parameter takes a 2-tuple (host,
    | port) for the socket to bind to as its source address before
    | connecting. If the host is '' and port is 0, the OS default behavior
    | will be used.
    |
    | auth(self, mechanism, authobject, *, initial_response_ok=True)
    | Authentication command - requires response processing.
    |
    | 'mechanism' specifies which authentication mechanism is to
    | be used - the valid values are those listed in the 'auth'
    | element of 'esmtp_features'.
    |
    | 'authobject' must be a callable object taking a single argument:
    |
    | data = authobject(challenge)
    |
    | It will be called to process the server's challenge response; the
    | challenge argument it is passed will be a bytes. It should return
    | an ASCII string that will be base64 encoded and sent to the server.
    |
    | Keyword arguments:
    | - initial_response_ok: Allow sending the RFC 4954 initial-response
    | to the AUTH command, if the authentication methods supports it.
    |
    | auth_cram_md5(self, challenge=None)
    | Authobject to use with CRAM-MD5 authentication. Requires self.user
    | and self.password to be set.
    |
    | auth_login(self, challenge=None)
    | Authobject to use with LOGIN authentication. Requires self.user and
    | self.password to be set.
    |
    | auth_plain(self, challenge=None)
    | Authobject to use with PLAIN authentication. Requires self.user and
    | self.password to be set.
    |
    | close(self)
    | Close the connection to the SMTP server.
    |
    | connect(self, host='localhost', port=0, source_address=None)
    | Connect to a host on a given port.
    |
    | If the hostname ends with a colon (`:') followed by a number, and
    | there is no port specified, that suffix will be stripped off and the
    | number interpreted as the port number to use.
    |
    | Note: This method is automatically invoked by __init__, if a host is
    | specified during instantiation.
    |
    | data(self, msg)
    | SMTP 'DATA' command -- sends message data to server.
    |
    | Automatically quotes lines beginning with a period per rfc821.
    | Raises SMTPDataError if there is an unexpected reply to the
    | DATA command; the return value from this method is the final
    | response code received when the all data is sent. If msg
    | is a string, lone '\r' and '\n' characters are converted to
    | '\r\n' characters. If msg is bytes, it is transmitted as is.
    |
    | docmd(self, cmd, args='')
    | Send a command, and return its response code.
    |
    | ehlo(self, name='')
    | SMTP 'ehlo' command.
    | Hostname to send for this command defaults to the FQDN of the local
    | host.
    |
    | ehlo_or_helo_if_needed(self)
    | Call self.ehlo() and/or self.helo() if needed.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    |
    | expn(self, address)
    | SMTP 'expn' command -- expands a mailing list.
    |
    | getreply(self)
    | Get a reply from the server.
    |
    | Returns a tuple consisting of:
    |
    | - server response code (e.g. '250', or such, if all goes well)
    | Note: returns -1 if it can't read response code.
    |
    | - server response string corresponding to response code (multiline
    | responses are converted to a single, multiline string).
    |
    | Raises SMTPServerDisconnected if end-of-file is reached.
    |
    | has_extn(self, opt)
    | Does the server support a given SMTP service extension?
    |
    | helo(self, name='')
    | SMTP 'helo' command.
    | Hostname to send for this command defaults to the FQDN of the local
    | host.
    |
    | help(self, args='')
    | SMTP 'help' command.
    | Returns help text from server.
    |
    | login(self, user, password, *, initial_response_ok=True)
    | Log in on an SMTP server that requires authentication.
    |
    | The arguments are:
    | - user: The user name to authenticate with.
    | - password: The password for the authentication.
    |
    | Keyword arguments:
    | - initial_response_ok: Allow sending the RFC 4954 initial-response
    | to the AUTH command, if the authentication methods supports it.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first.
    |
    | This method will return normally if the authentication was successful.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    | SMTPAuthenticationError The server didn't accept the username/
    | password combination.
    | SMTPNotSupportedError The AUTH command is not supported by the
    | server.
    | SMTPException No suitable authentication method was
    | found.
    |
    | mail(self, sender, options=())
    | SMTP 'mail' command -- begins mail xfer session.
    |
    | This method may raise the following exceptions:
    |
    | SMTPNotSupportedError The options parameter includes 'SMTPUTF8'
    | but the SMTPUTF8 extension is not supported by
    | the server.
    |
    | noop(self)
    | SMTP 'noop' command -- doesn't do anything :>
    |
    | putcmd(self, cmd, args='')
    | Send a command to the server.
    |
    | quit(self)
    | Terminate the SMTP session.
    |
    | rcpt(self, recip, options=())
    | SMTP 'rcpt' command -- indicates 1 recipient for this mail.
    |
    | rset(self)
    | SMTP 'rset' command -- resets session.
    |
    | send(self, s)
    | Send `s' to the server.
    |
    | send_message(self, msg, from_addr=None, to_addrs=None, mail_options=(), rcpt_options=())
    | Converts message to a bytestring and passes it to sendmail.
    |
    | The arguments are as for sendmail, except that msg is an
    | email.message.Message object. If from_addr is None or to_addrs is
    | None, these arguments are taken from the headers of the Message as
    | described in RFC 2822 (a ValueError is raised if there is more than
    | one set of 'Resent-' headers). Regardless of the values of from_addr and
    | to_addr, any Bcc field (or Resent-Bcc field, when the Message is a
    | resent) of the Message object won't be transmitted. The Message
    | object is then serialized using email.generator.BytesGenerator and
    | sendmail is called to transmit the message. If the sender or any of
    | the recipient addresses contain non-ASCII and the server advertises the
    | SMTPUTF8 capability, the policy is cloned with utf8 set to True for the
    | serialization, and SMTPUTF8 and BODY=8BITMIME are asserted on the send.
    | If the server does not support SMTPUTF8, an SMTPNotSupported error is
    | raised. Otherwise the generator is called without modifying the
    | policy.
    |
    | sendmail(self, from_addr, to_addrs, msg, mail_options=(), rcpt_options=())
    | This command performs an entire mail transaction.
    |
    | The arguments are:
    | - from_addr : The address sending this mail.
    | - to_addrs : A list of addresses to send this mail to. A bare
    | string will be treated as a list with 1 address.
    | - msg : The message to send.
    | - mail_options : List of ESMTP options (such as 8bitmime) for the
    | mail command.
    | - rcpt_options : List of ESMTP options (such as DSN commands) for
    | all the rcpt commands.
    |
    | msg may be a string containing characters in the ASCII range, or a byte
    | string. A string is encoded to bytes using the ascii codec, and lone
    | \r and \n characters are converted to \r\n characters.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first. If the server does ESMTP, message size
    | and each of the specified options will be passed to it. If EHLO
    | fails, HELO will be tried and ESMTP options suppressed.
    |
    | This method will return normally if the mail is accepted for at least
    | one recipient. It returns a dictionary, with one entry for each
    | recipient that was refused. Each entry contains a tuple of the SMTP
    | error code and the accompanying error message sent by the server.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    | SMTPRecipientsRefused The server rejected ALL recipients
    | (no mail was sent).
    | SMTPSenderRefused The server didn't accept the from_addr.
    | SMTPDataError The server replied with an unexpected
    | error code (other than a refusal of
    | a recipient).
    | SMTPNotSupportedError The mail_options parameter includes 'SMTPUTF8'
    | but the SMTPUTF8 extension is not supported by
    | the server.
    |
    | Note: the connection will be open even after an exception is raised.
    |
    | Example:
    |
    | >>> import smtplib
    | >>> s=smtplib.SMTP("localhost")
    | >>> tolist=["one@one.org","two@two.org","three@three.org","four@four.org"]
    | >>> msg = '''\
    | ... From: Me@my.org
    | ... Subject: testin'...
    | ...
    | ... This is a test '''
    | >>> s.sendmail("me@my.org",tolist,msg)
    | { "three@three.org" : ( 550 ,"User unknown" ) }
    | >>> s.quit()
    |
    | In the above example, the message was accepted for delivery to three
    | of the four addresses, and one was rejected, with the error code
    | 550. If all addresses are accepted, then the method will return an
    | empty dictionary.
    |
    | set_debuglevel(self, debuglevel)
    | Set the debug output level.
    |
    | A non-false value results in debug messages for connection and for all
    | messages sent to and received from the server.
    |
    | starttls(self, keyfile=None, certfile=None, context=None)
    | Puts the connection to the SMTP server into TLS mode.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first.
    |
    | If the server supports TLS, this will encrypt the rest of the SMTP
    | session. If you provide the keyfile and certfile parameters,
    | the identity of the SMTP server and client can be checked. This,
    | however, depends on whether the socket module really checks the
    | certificates.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    |
    | verify(self, address)
    | SMTP 'verify' command -- checks for address validity.
    |
    | vrfy = verify(self, address)
    |
    | ----------------------------------------------------------------------
    | Data descriptors defined here:
    |
    | __dict__
    | dictionary for instance variables (if defined)
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Data and other attributes defined here:
    |
    | debuglevel = 0
    |
    | default_port = 25
    |
    | does_esmtp = 0
    |
    | ehlo_msg = 'ehlo'
    |
    | ehlo_resp = None
    |
    | file = None
    |
    | helo_resp = None
    |
    | sock = None

    class SMTPAuthenticationError(SMTPResponseException)


    | SMTPAuthenticationError(code, msg)
    |
    | Authentication error.
    |
    | Most probably the server didn't accept the username/password
    | combination provided.
    |
    | Method resolution order:
    | SMTPAuthenticationError
    | SMTPResponseException
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods inherited from SMTPResponseException:
    |
    | __init__(self, code, msg)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPConnectError(SMTPResponseException)


    | SMTPConnectError(code, msg)
    |
    | Error during connection establishment.
    |
    | Method resolution order:
    | SMTPConnectError
    | SMTPResponseException
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods inherited from SMTPResponseException:
    |
    | __init__(self, code, msg)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPDataError(SMTPResponseException)


    | SMTPDataError(code, msg)
    |
    | The SMTP server didn't accept the data.
    |
    | Method resolution order:
    | SMTPDataError
    | SMTPResponseException
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods inherited from SMTPResponseException:
    |
    | __init__(self, code, msg)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPException(builtins.OSError)


    | Base class for all exceptions raised by this module.
    |
    | Method resolution order:
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Data descriptors defined here:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __init__(self, /, *args, **kwargs)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPHeloError(SMTPResponseException)


    | SMTPHeloError(code, msg)
    |
    | The server refused our HELO reply.
    |
    | Method resolution order:
    | SMTPHeloError
    | SMTPResponseException
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods inherited from SMTPResponseException:
    |
    | __init__(self, code, msg)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPNotSupportedError(SMTPException)


    | The command or option is not supported by the SMTP server.
    |
    | This exception is raised when an attempt is made to run a command or a
    | command with an option which is not supported by the server.
    |
    | Method resolution order:
    | SMTPNotSupportedError
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __init__(self, /, *args, **kwargs)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPRecipientsRefused(SMTPException)


    | SMTPRecipientsRefused(recipients)
    |
    | All recipient addresses refused.
    |
    | The errors for each recipient are accessible through the attribute
    | 'recipients', which is a dictionary of exactly the same sort as
    | SMTP.sendmail() returns.
    |
    | Method resolution order:
    | SMTPRecipientsRefused
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods defined here:
    |
    | __init__(self, recipients)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPResponseException(SMTPException)


    | SMTPResponseException(code, msg)
    |
    | Base class for all exceptions that include an SMTP error code.
    |
    | These exceptions are generated in some instances when the SMTP
    | server returns an error code. The error code is stored in the
    | `smtp_code' attribute of the error, and the `smtp_error' attribute
    | is set to the error message.
    |
    | Method resolution order:
    | SMTPResponseException
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods defined here:
    |
    | __init__(self, code, msg)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPSenderRefused(SMTPResponseException)


    | SMTPSenderRefused(code, msg, sender)
    |
    | Sender address refused.
    |
    | In addition to the attributes set by on all SMTPResponseException
    | exceptions, this sets `sender' to the string that the SMTP refused.
    |
    | Method resolution order:
    | SMTPSenderRefused
    | SMTPResponseException
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Methods defined here:
    |
    | __init__(self, code, msg, sender)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTPServerDisconnected(SMTPException)


    | Not connected to any SMTP server.
    |
    | This exception is raised when the server unexpectedly disconnects,
    | or when an attempt is made to use the SMTP instance before
    | connecting it to a server.
    |
    | Method resolution order:
    | SMTPServerDisconnected
    | SMTPException
    | builtins.OSError
    | builtins.Exception
    | builtins.BaseException
    | builtins.object
    |
    | Data descriptors inherited from SMTPException:
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.OSError:
    |
    | __init__(self, /, *args, **kwargs)
    | Initialize self. See help(type(self)) for accurate signature.
    |
    | __reduce__(...)
    | Helper for pickle.
    |
    | __str__(self, /)
    | Return str(self).
    |
    | ----------------------------------------------------------------------
    | Static methods inherited from builtins.OSError:
    |
    | __new__(*args, **kwargs) from builtins.type
    | Create and return a new object. See help(type) for accurate signature.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.OSError:
    |
    | characters_written
    |
    | errno
    | POSIX exception code
    |
    | filename
    | exception filename
    |
    | filename2
    | second exception filename
    |
    | strerror
    | exception strerror
    |
    | winerror
    | Win32 exception code
    |
    | ----------------------------------------------------------------------
    | Methods inherited from builtins.BaseException:
    |
    | __delattr__(self, name, /)
    | Implement delattr(self, name).
    |
    | __getattribute__(self, name, /)
    | Return getattr(self, name).
    |
    | __repr__(self, /)
    | Return repr(self).
    |
    | __setattr__(self, name, value, /)
    | Implement setattr(self, name, value).
    |
    | __setstate__(...)
    |
    | with_traceback(...)
    | Exception.with_traceback(tb) --
    | set self.__traceback__ to tb and return self.
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from builtins.BaseException:
    |
    | __cause__
    | exception cause
    |
    | __context__
    | exception context
    |
    | __dict__
    |
    | __suppress_context__
    |
    | __traceback__
    |
    | args

    class SMTP_SSL(SMTP)


    | SMTP_SSL(host='', port=0, local_hostname=None, keyfile=None, certfile=None, timeout=, source_address=None, context=None)
    |
    | This is a subclass derived from SMTP that connects over an SSL
    | encrypted socket (to use this class you need a socket module that was
    | compiled with SSL support). If host is not specified, '' (the local
    | host) is used. If port is omitted, the standard SMTP-over-SSL port
    | (465) is used. local_hostname and source_address have the same meaning
    | as they do in the SMTP class. keyfile and certfile are also optional -
    | they can contain a PEM formatted private key and certificate chain file
    | for the SSL connection. context also optional, can contain a
    | SSLContext, and is an alternative to keyfile and certfile; If it is
    | specified both keyfile and certfile must be None.
    |
    | Method resolution order:
    | SMTP_SSL
    | SMTP
    | builtins.object
    |
    | Methods defined here:
    |
    | __init__(self, host='', port=0, local_hostname=None, keyfile=None, certfile=None, timeout=, source_address=None, context=None)
    | Initialize a new instance.
    |
    | If specified, `host` is the name of the remote host to which to
    | connect. If specified, `port` specifies the port to which to connect.
    | By default, smtplib.SMTP_PORT is used. If a host is specified the
    | connect method is called, and if it returns anything other than a
    | success code an SMTPConnectError is raised. If specified,
    | `local_hostname` is used as the FQDN of the local host in the HELO/EHLO
    | command. Otherwise, the local hostname is found using
    | socket.getfqdn(). The `source_address` parameter takes a 2-tuple (host,
    | port) for the socket to bind to as its source address before
    | connecting. If the host is '' and port is 0, the OS default behavior
    | will be used.
    |
    | ----------------------------------------------------------------------
    | Data and other attributes defined here:
    |
    | default_port = 465
    |
    | ----------------------------------------------------------------------
    | Methods inherited from SMTP:
    |
    | __enter__(self)
    |
    | __exit__(self, *args)
    |
    | auth(self, mechanism, authobject, *, initial_response_ok=True)
    | Authentication command - requires response processing.
    |
    | 'mechanism' specifies which authentication mechanism is to
    | be used - the valid values are those listed in the 'auth'
    | element of 'esmtp_features'.
    |
    | 'authobject' must be a callable object taking a single argument:
    |
    | data = authobject(challenge)
    |
    | It will be called to process the server's challenge response; the
    | challenge argument it is passed will be a bytes. It should return
    | an ASCII string that will be base64 encoded and sent to the server.
    |
    | Keyword arguments:
    | - initial_response_ok: Allow sending the RFC 4954 initial-response
    | to the AUTH command, if the authentication methods supports it.
    |
    | auth_cram_md5(self, challenge=None)
    | Authobject to use with CRAM-MD5 authentication. Requires self.user
    | and self.password to be set.
    |
    | auth_login(self, challenge=None)
    | Authobject to use with LOGIN authentication. Requires self.user and
    | self.password to be set.
    |
    | auth_plain(self, challenge=None)
    | Authobject to use with PLAIN authentication. Requires self.user and
    | self.password to be set.
    |
    | close(self)
    | Close the connection to the SMTP server.
    |
    | connect(self, host='localhost', port=0, source_address=None)
    | Connect to a host on a given port.
    |
    | If the hostname ends with a colon (`:') followed by a number, and
    | there is no port specified, that suffix will be stripped off and the
    | number interpreted as the port number to use.
    |
    | Note: This method is automatically invoked by __init__, if a host is
    | specified during instantiation.
    |
    | data(self, msg)
    | SMTP 'DATA' command -- sends message data to server.
    |
    | Automatically quotes lines beginning with a period per rfc821.
    | Raises SMTPDataError if there is an unexpected reply to the
    | DATA command; the return value from this method is the final
    | response code received when the all data is sent. If msg
    | is a string, lone '\r' and '\n' characters are converted to
    | '\r\n' characters. If msg is bytes, it is transmitted as is.
    |
    | docmd(self, cmd, args='')
    | Send a command, and return its response code.
    |
    | ehlo(self, name='')
    | SMTP 'ehlo' command.
    | Hostname to send for this command defaults to the FQDN of the local
    | host.
    |
    | ehlo_or_helo_if_needed(self)
    | Call self.ehlo() and/or self.helo() if needed.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    |
    | expn(self, address)
    | SMTP 'expn' command -- expands a mailing list.
    |
    | getreply(self)
    | Get a reply from the server.
    |
    | Returns a tuple consisting of:
    |
    | - server response code (e.g. '250', or such, if all goes well)
    | Note: returns -1 if it can't read response code.
    |
    | - server response string corresponding to response code (multiline
    | responses are converted to a single, multiline string).
    |
    | Raises SMTPServerDisconnected if end-of-file is reached.
    |
    | has_extn(self, opt)
    | Does the server support a given SMTP service extension?
    |
    | helo(self, name='')
    | SMTP 'helo' command.
    | Hostname to send for this command defaults to the FQDN of the local
    | host.
    |
    | help(self, args='')
    | SMTP 'help' command.
    | Returns help text from server.
    |
    | login(self, user, password, *, initial_response_ok=True)
    | Log in on an SMTP server that requires authentication.
    |
    | The arguments are:
    | - user: The user name to authenticate with.
    | - password: The password for the authentication.
    |
    | Keyword arguments:
    | - initial_response_ok: Allow sending the RFC 4954 initial-response
    | to the AUTH command, if the authentication methods supports it.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first.
    |
    | This method will return normally if the authentication was successful.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    | SMTPAuthenticationError The server didn't accept the username/
    | password combination.
    | SMTPNotSupportedError The AUTH command is not supported by the
    | server.
    | SMTPException No suitable authentication method was
    | found.
    |
    | mail(self, sender, options=())
    | SMTP 'mail' command -- begins mail xfer session.
    |
    | This method may raise the following exceptions:
    |
    | SMTPNotSupportedError The options parameter includes 'SMTPUTF8'
    | but the SMTPUTF8 extension is not supported by
    | the server.
    |
    | noop(self)
    | SMTP 'noop' command -- doesn't do anything :>
    |
    | putcmd(self, cmd, args='')
    | Send a command to the server.
    |
    | quit(self)
    | Terminate the SMTP session.
    |
    | rcpt(self, recip, options=())
    | SMTP 'rcpt' command -- indicates 1 recipient for this mail.
    |
    | rset(self)
    | SMTP 'rset' command -- resets session.
    |
    | send(self, s)
    | Send `s' to the server.
    |
    | send_message(self, msg, from_addr=None, to_addrs=None, mail_options=(), rcpt_options=())
    | Converts message to a bytestring and passes it to sendmail.
    |
    | The arguments are as for sendmail, except that msg is an
    | email.message.Message object. If from_addr is None or to_addrs is
    | None, these arguments are taken from the headers of the Message as
    | described in RFC 2822 (a ValueError is raised if there is more than
    | one set of 'Resent-' headers). Regardless of the values of from_addr and
    | to_addr, any Bcc field (or Resent-Bcc field, when the Message is a
    | resent) of the Message object won't be transmitted. The Message
    | object is then serialized using email.generator.BytesGenerator and
    | sendmail is called to transmit the message. If the sender or any of
    | the recipient addresses contain non-ASCII and the server advertises the
    | SMTPUTF8 capability, the policy is cloned with utf8 set to True for the
    | serialization, and SMTPUTF8 and BODY=8BITMIME are asserted on the send.
    | If the server does not support SMTPUTF8, an SMTPNotSupported error is
    | raised. Otherwise the generator is called without modifying the
    | policy.
    |
    | sendmail(self, from_addr, to_addrs, msg, mail_options=(), rcpt_options=())
    | This command performs an entire mail transaction.
    |
    | The arguments are:
    | - from_addr : The address sending this mail.
    | - to_addrs : A list of addresses to send this mail to. A bare
    | string will be treated as a list with 1 address.
    | - msg : The message to send.
    | - mail_options : List of ESMTP options (such as 8bitmime) for the
    | mail command.
    | - rcpt_options : List of ESMTP options (such as DSN commands) for
    | all the rcpt commands.
    |
    | msg may be a string containing characters in the ASCII range, or a byte
    | string. A string is encoded to bytes using the ascii codec, and lone
    | \r and \n characters are converted to \r\n characters.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first. If the server does ESMTP, message size
    | and each of the specified options will be passed to it. If EHLO
    | fails, HELO will be tried and ESMTP options suppressed.
    |
    | This method will return normally if the mail is accepted for at least
    | one recipient. It returns a dictionary, with one entry for each
    | recipient that was refused. Each entry contains a tuple of the SMTP
    | error code and the accompanying error message sent by the server.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    | SMTPRecipientsRefused The server rejected ALL recipients
    | (no mail was sent).
    | SMTPSenderRefused The server didn't accept the from_addr.
    | SMTPDataError The server replied with an unexpected
    | error code (other than a refusal of
    | a recipient).
    | SMTPNotSupportedError The mail_options parameter includes 'SMTPUTF8'
    | but the SMTPUTF8 extension is not supported by
    | the server.
    |
    | Note: the connection will be open even after an exception is raised.
    |
    | Example:
    |
    | >>> import smtplib
    | >>> s=smtplib.SMTP("localhost")
    | >>> tolist=["one@one.org","two@two.org","three@three.org","four@four.org"]
    | >>> msg = '''\
    | ... From: Me@my.org
    | ... Subject: testin'...
    | ...
    | ... This is a test '''
    | >>> s.sendmail("me@my.org",tolist,msg)
    | { "three@three.org" : ( 550 ,"User unknown" ) }
    | >>> s.quit()
    |
    | In the above example, the message was accepted for delivery to three
    | of the four addresses, and one was rejected, with the error code
    | 550. If all addresses are accepted, then the method will return an
    | empty dictionary.
    |
    | set_debuglevel(self, debuglevel)
    | Set the debug output level.
    |
    | A non-false value results in debug messages for connection and for all
    | messages sent to and received from the server.
    |
    | starttls(self, keyfile=None, certfile=None, context=None)
    | Puts the connection to the SMTP server into TLS mode.
    |
    | If there has been no previous EHLO or HELO command this session, this
    | method tries ESMTP EHLO first.
    |
    | If the server supports TLS, this will encrypt the rest of the SMTP
    | session. If you provide the keyfile and certfile parameters,
    | the identity of the SMTP server and client can be checked. This,
    | however, depends on whether the socket module really checks the
    | certificates.
    |
    | This method may raise the following exceptions:
    |
    | SMTPHeloError The server didn't reply properly to
    | the helo greeting.
    |
    | verify(self, address)
    | SMTP 'verify' command -- checks for address validity.
    |
    | vrfy = verify(self, address)
    |
    | ----------------------------------------------------------------------
    | Data descriptors inherited from SMTP:
    |
    | __dict__
    | dictionary for instance variables (if defined)
    |
    | __weakref__
    | list of weak references to the object (if defined)
    |
    | ----------------------------------------------------------------------
    | Data and other attributes inherited from SMTP:
    |
    | debuglevel = 0
    |
    | does_esmtp = 0
    |
    | ehlo_msg = 'ehlo'
    |
    | ehlo_resp = None
    |
    | file = None
    |
    | helo_resp = None
    |
    | sock = None

    FUNCTIONS


    quoteaddr(addrstring)
    Quote a subset of the email addresses defined by RFC 821.

    Should be able to handle anything email.utils.parseaddr can handle.

    quotedata(data)
    Quote data for email.

    Double leading '.', and change Unix newline '\n', or Mac '\r' into


    Internet CRLF end-of-line.

    DATA
    __all__ = ['SMTPException', 'SMTPNotSupportedError', 'SMTPServerDiscon...

    FILE
    c:\users\asus\appdata\local\programs\python\python39\lib\smtplib.py
    bundan foydalanish kodi
    import smtplib
    s-smtplib.SMTP("localhost")
    tolist ["bir@bir.org","ikki@ikki.org", "uch@uch.org", "tort@tort.org"]
    msg
    From: Me@my.org

    Subject: testin'...


    This is a test
    s.sendmail("me@my.org",tolist, msg)
    { "uch@uch.org" :(550, "User unknown"))
    s.quit()
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