On 1/1/11 9:36 PM, Stan Hoeppner wrote:
Wietse Venema put forth on 1/1/2011 9:50 AM:
Stan Hoeppner:
jason hirsh put forth on 12/31/2010 3:38 PM:

Dec 31 15:24:21 tuna postfix/smtpd[2514]:>
asmtpout029.mac.com[17.148.16.104]: 554 5.5.1 Error: no valid recipients
Am I the only one that noticed this^?  Or, am I the only one that
(mistakenly?) thinks it may be relevant?
See RFC 2920 (perhaps after refreshing up on RFC 2821).

        Wietse
What exactly am I supposed to be looking for Wietse?  What I was
pointing out is that it appears he returned both 450 and 554 responses
during the same smtp transaction with 17.148.16.104.  I was of the
understanding that you return one or the other, not both.  Is that what
I'm supposed to be reading about?

Recipients are processed one at a time.
Postfix doesn't know if the previous invalid (450) recipient was the last one, until postfix receives a DATA command from the client.
It has no choice but to act the way it did.


--
J.

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