Previous ID (5233) refers to "Sieve Email Filtering: Subaddress
Extension". It seems that the actual reference should be "Internet
Message Format" RFC 5322 (https://tools.ietf.org/html/rfc5322).
(The typo probably comes from commit
29d1bc0842 in which the ID of
this RFC got updated from the obsolete 2822.)
Co-authored-by: Ambrose Chua <ambrose@hey.com>
(cherry picked from commit
cb5c802dcf8851663c4eac5d73f968f626a3a1dc)
Co-authored-by: Denis Laxalde <denis@laxalde.org>
you should be using the :class:`~email.message.EmailMessage` class instead.
An email message consists of *headers* and a *payload*. Headers must be
-:rfc:`5233` style names and values, where the field name and value are
+:rfc:`5322` style names and values, where the field name and value are
separated by a colon. The colon is not part of either the field name or the
field value. The payload may be a simple text message, or a binary object, or
a structured sequence of sub-messages each with their own set of headers and
specifically *not* designed to do any sending of email messages to SMTP
(:rfc:`2821`), NNTP, or other servers; those are functions of modules such as
:mod:`smtplib` and :mod:`nntplib`. The :mod:`email` package attempts to be as
-RFC-compliant as possible, supporting :rfc:`5233` and :rfc:`6532`, as well as
+RFC-compliant as possible, supporting :rfc:`5322` and :rfc:`6532`, as well as
such MIME-related RFCs as :rfc:`2045`, :rfc:`2046`, :rfc:`2047`, :rfc:`2183`,
and :rfc:`2231`.