diff options
Diffstat (limited to 'Doc/library/smtplib.rst')
| -rw-r--r-- | Doc/library/smtplib.rst | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Doc/library/smtplib.rst b/Doc/library/smtplib.rst index 133fa5621e..25279f23cb 100644 --- a/Doc/library/smtplib.rst +++ b/Doc/library/smtplib.rst @@ -467,7 +467,7 @@ An :class:`SMTP` instance has the following methods: If *from_addr* is ``None`` or *to_addrs* is ``None``, ``send_message`` fills those arguments with addresses extracted from the headers of *msg* as - specified in :rfc:`2822`\: *from_addr* is set to the :mailheader:`Sender` + specified in :rfc:`5322`\: *from_addr* is set to the :mailheader:`Sender` field if it is present, and otherwise to the :mailheader:`From` field. *to_adresses* combines the values (if any) of the :mailheader:`To`, :mailheader:`Cc`, and :mailheader:`Bcc` fields from *msg*. If exactly one @@ -482,10 +482,18 @@ An :class:`SMTP` instance has the following methods: calls :meth:`sendmail` to transmit the resulting message. Regardless of the values of *from_addr* and *to_addrs*, ``send_message`` does not transmit any :mailheader:`Bcc` or :mailheader:`Resent-Bcc` headers that may appear - in *msg*. + in *msg*. If any of the addresses in *from_addr* and *to_addrs* contain + non-ASCII characters and the server does not advertise ``SMTPUTF8`` support, + an :exc:`SMTPNotSupported` error is raised. Otherwise the ``Message`` is + serialized with a clone of its :mod:`~email.policy` with the + :attr:`~email.policy.EmailPolicy.utf8` attribute set to ``True``, and + ``SMTPUTF8`` and ``BODY=8BITMIME`` are added to *mail_options*. .. versionadded:: 3.2 + .. versionadded:: 3.5 + Support for internationalized addresses (``SMTPUTF8``). + .. method:: SMTP.quit() |