dalchri wrote: > I've recently put SpamAssassin in front of my Exchange server as an SMTP > proxy. Our previous spam filter would provide a 554 rejection notice for > anything that was identified as spam. This meant that any FP would be > notified so that email would not get silently ignored. Although a rejection > notice was sent, we still retained the spam. This meant that when our users > got a call from their customer about the rejected spam, they could quickly > locate the message without it having to be resent. > > I would like to continue doing this with the new SA/Exchange setup. Right > now I use spampd but I would like to change to Sendmail just because it is > part of the default install for Redhat. > > How would you go about providing a 554 rejection notice? Would you do it on > the SMTP proxy? On Exchange? Would you use Sendmail? Postfix? Something > else? > a milter from sendmail, provided you wish to stick with sendmail.
mimedefang springs to mind, but I have no experience with it.
