On Sun, 26 Feb 2006, David F. Skoll wrote:

> Now, there *are* some marginal SMTP servers that fail in the
> following scenario:
> 
> C: HELO myname.domain.com
> S: 250 whatever
> C: MAIL FROM:<[EMAIL PROTECTED]>
> S: 250 2.1.0 go ahead
> C: RCPT TO:<[EMAIL PROTECTED]>
> S: 451 4.7.1 greylisting; try in 2 minutes
> C: DATA
> S: 503 5.0.0 need RCPT!
> (and client bounces message)

This could be avoided if sendmail would tempfail "data" requests if
any "rcpt to" request tempfailed and every "rcpt to" request tempfailed
or permfailed.

Maybe a small patch for sendmail would do it.

Regards
Tometzky
-- 
...although Eating Honey was a very good thing to do, there was a
moment just before you began to eat it which was better than when you
were...
                                                      Winnie the Pooh
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