> On Apr 8, 2023, at 13:15, Viktor Dukhovni via Postfix-users > <postfix-users@postfix.org> wrote: > > On Sat, Apr 08, 2023 at 12:16:30PM -0700, Doug Hardie via Postfix-users wrote: > >>>> Are there any others and how close am I? >>> >>> >>> https://www.iana.org/assignments/mail-parameters/mail-parameters.xhtml#mail-parameters-7 >> >> Wow, I never would have guessed there would be that many. Thanks. > > For SMTP (as opposed to LMTP), you were only off by a factor of ~2, > there's a second "base" value of "UTF8SMTP". The full set for SMTP is: > > SMTP Simple Mail Transfer Protocol [RFC5321] > ESMTP SMTP with Service Extensions [RFC5321] > ESMTPA ESMTP with AUTH [RFC3848] > ESMTPS ESMTP with STARTTLS [RFC3848] > ESMTPSA ESMTP with both STARTTLS and AUTH [RFC3848] > UTF8SMTP ESMTP with SMTPUTF8 [RFC6531] > UTF8SMTPA ESMTP with SMTPUTF8 and AUTH [RFC4954][RFC6531] > UTF8SMTPS ESMTP with SMTPUTF8 and STARTTLS [RFC3207][RFC6531] > UTF8SMTPSA ESMTP with SMTPUTF8 and both STARTTLS and AUTH > [RFC3207][RFC4954][RFC6531] > > These are correctly used in Postfix and a few other MTAs, and then > there's Microsoft, where even the basic atom syntax is violated: > > with Microsoft SMTP Server > > or MessageLabs: > > with AES128-GCM-SHA256 encrypted SMTP > > c.f. > > https://www.rfc-editor.org/rfc/rfc5321#section-4.4 > > Protocol = "ESMTP" / "SMTP" / Attdl-Protocol > Attdl-Protocol = Atom > ; Additional standard names for protocols are > ; registered with the Internet Assigned Numbers > ; Authority (IANA) in the "mail parameters" > ; registry [9]. SMTP servers SHOULD NOT > ; use unregistered names. > > other violations are less severe: > > with HTTP > with mapi > with bizsmtp > with ngmta
Thanks for that info. I don't think that will affect me as the first Received header in the message (last in time) will always be from postfix . I only need postfix's queue id so I can trace what happened if required. > ... > > Apparently, reading RFC5321 and RFC5322 is too tedious. Reading is not tedious. You can't force everyone to use your software if you follow the standards. _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
