[Mimedefang] Default SMTP code and dsn for filter_recipient() not standard compliant?
David F. Skoll
dfs at roaringpenguin.com
Fri Jun 21 08:04:47 EDT 2013
On Fri, 21 Jun 2013 11:51:58 +0200
Franz Schwartau <franz at electromail.org> wrote:
> After doing some tests I was wondering, why mimedefang returns
> 554 5.7.1 after a RCPT TO.
That's the default and it seemed reasonable to me at the time.
Although the RFC doesn't list 554 as a "usual" response to RCPT, it
"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."
so I think the distinction between 550 and 554 is mostly of academic
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