Viktor Dukhovni via Postfix-devel:
> This looks like a clear violation of
>
> https://datatracker.ietf.org/doc/html/rfc2554#section-4
>
> Should we really unconditionally ignore protocol violations that might
> indicate that the client and server are out of sync???
>
> I'm inclined to suggest that at most this should be an off by default
> work-around. And a bug should be opened with Microsoft.
I agree that Postfix should not unconditionally ignore server
response errrors. This requires a more targeted aproach.
How about this:
main.cf:
# Some Microsoft servers violate RFC 2554 section 4.
smtp_reply_filter = pcre:{{/^334\s+GSSAPI\s+supported/ 334}}
For a description of inline PCRE table syntax, see
https://www.postfix.org/pcre_table.5.html#inline_specification
Patches? Patches? We don't need no steenkeeng patches.
https://www.youtube.com/watch?v=VqomZQMZQCQ
Wietse
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