On Wed, 29 May 2002, Theo Van Dinter wrote: > On Wed, May 29, 2002 at 04:42:28PM +0100, Keith Whyte wrote: > > There's no functional difference between running milter and > > running spamc from /etc/procmailrc > > There is actually. You process the message once at reception, not > multiple times at delivery (imagine a message to a mailing list for 10 > people on your list. Milter does 1 scan versus 10 from procmail.) > Yes Theo, I spoke too soon. and I can think of a few more differences also. > > I don't know anything about the SA milter plugin (it's on my "copius free > time" project list,) but if it doesn't do rejection now, it shouldn't > be hard to add in some code to return a customized error code based on > the SA score. I was thinking of doing something like: reject messages > outright if score > 10, send to spam reporting address if 5 < x < 10 > with a header specifying the actual recipients (so I can resend later > if it's a false positive), and then let everything else through. > Obviously an anti spam system that would go further than checking IP of the calling relay, supplied MAIL FROM, etc would be just the ticket. Is anybody else on this list looking at this? coz there doesn't seem to be a list for the SA milter itself. I once (embarrased to admit) brought up a machine with sendmail in delayed delivery mode (actually i was away when it rebooted and came up in this mode) and within 24 hours, it had a very large queue of spam, a lot of which was coming back with messages from MTA's saying "Message refused because: we detected spam" or something to that effect. That was before the box got in the relay black-lists. These were errors from MTA's, i.e. the messages weren't getting past the SMTP listener. That's what I want.
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