Voytek:
> I have a small Postfix/Dovecot virtual server, low usage
> every so often a user account get compromised and spam sent (like couple
> of days ago), now I'm seeing 5 or 6 emails 'stuck' in the queue with like:
>
> (host mail2.abcdef.com[217.xx.xx.xx] refused to talk to me:
> 554-mail1.abcdef.com 554 Your access to this mail system has been rejected
> due to the sending MTA's poor reputation. If you believe that this failure
> is in error, please contact the intended recipient via alternate means.)
Stuck in the queue with a 5xx (hard reject) reply?
> the single rbl has been already contacted, and, removed my IP, mxtoolbox
> shows NO blacklists, I guess 'poor reputation' will persist for a day or
> more
>
> so, the question is can I set up a 'spare' mail server, in future cases
> when I end up for a day or longer with bad reputation, to switch to an
> alternate outbound smtp server... ? does it make sense..? would it work?
> (trying to plan ahead from behind)
There is smtp_fallback_relay, but that is normally used for delivery
to slow destinations, not destinations that hard-reject email.
Wietse
