On Mon, 2009-06-29 at 11:32 -0400, Wietse Venema wrote: > EASY steve.h...@digitalcertainty.co.uk: > > Appreciate that - but to do this defeats the object of rejecting mail at > > SMTP time (to avoid the bounce in the first place). What appears to > > happening is the spambot sending the mail does not hang around for the > > 250 OK at the end of the <lf>.<lf>. If it did, it would have been SMTP > > rejected. (no bounce ever needed). > > As delivered, Postfix does not send a bounce email message when it > can't give the bad news directly to the remote SMTP client. > > If your Postfix does, then you have a non-obvious configuration, > and sharing that may help to un-confuse the discussion. > > Wietse It looks very much like clampsmtp was giving the 250. I've disabled it and so far this afternoon it's CNR. I'll look to reconfigure what I'm doing with clam. Basically the clam content filter has OK'd it but the upstream spam milter rejected it.
All that to one side, is there any way to stop the generation of NDR's period - or to have them 'redirected' to a local target? I do appreciate this is a sensitive subject, but I would rather have the option not to generate them in the first place.
