* Henrique de Moraes Holschuh ([EMAIL PROTECTED]) wrote: > Since we are talking about it, it is not always trivial to special-case an > incoming connection for a local bounce instead of a SMTP-level bounce, > though. At least not with all MTAs.
Using an MTA with the capabilities you need should be a prerequisite to
running an MTA.
> I can do so with postfix because I have a two-layer setup anyway (mail gets
> twice through the system, for content filtering with extremely high input
> rate. I just tell the first instance to let master through, and the second
> one to reject -- this causes a *local* bounce, as mail is already queued and
> accepted). I am not even sure if it can be done [in postfix] in a single
> layer setup (smtpd->queues->MDA). Anyone would know how to do it?
I expect you could do it though I havn't tried myself because I'm not a
big fan of smtp-level rejects exactly for these reasons. I just accept
and then discard (at least for known userids, but I don't expect many
people to be setting up forwards for non-existant userids). I would
have thought that at the least you could accept it, detemine it's SPAM
and then have a procmail bounce-creating rule without all that much
difficulty.
Enjoy,
Stephen
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