[Mimedefang] Greylisting post-data (was Re: [PATCH] filter_data implementation)
David F. Skoll
dfs at roaringpenguin.com
Thu May 28 09:42:00 EDT 2009
Following up on myself:
> I read them differently. I see 450, 451 and 452 as acceptable after
> the final dot, but only 421 in direct response to DATA. (I'm basing
> my interpretation on RFC 5321.)
That being said, the RFC does say:
"SMTP clients SHOULD, when possible, interpret only the
first digit of the reply and MUST be prepared to deal with
unrecognized reply codes by interpreting the first digit only."
-- David.
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