Michael M. Rach wrote:
[...] I can provide more information on my implementation only! Debian Linux release 2, I386 Kernel 2.4.31, Postfix 2.2.8, Anomy 1.76, Cyrus-imap 2.2.12, Cyrus-SASL 2.1.21, SpamAssassin 3.1.0, Perl 5.8.7. http://mailtools.anomy.net for the curious.
A huge help for us here has been 'gray listing'. It basicly defers (delays) delivery of the first email from a new source, and then whitelists that server for future emails. Since (most) virii and spambots aren't full mail server implementations with queues, they don't bother to try to resend after the defer. It can be annoying, though, when somebody new needs to send something urgently and we have to wait for the deferred email to come through. (That's pretty rare, though)
Phil ---- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
