[Mimedefang] Re: Justifying greylisting to management
David F. Skoll
dfs at roaringpenguin.com
Wed Mar 1 07:20:48 EST 2006
Tomasz Ostrowski wrote:
> This could be avoided if sendmail would tempfail "data" requests if
> any "rcpt to" request tempfailed and every "rcpt to" request tempfailed
> or permfailed.
But the RFC says that an SMTP client MUST NOT issue a DATA command unless
at least one RCPT succeeded, so Sendmail is within its rights to issue
a 5xx failure code.
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