At 20:47 20/01/2001 +0100, Jacob Palme wrote:
If the goal is limited to stop spammers from using other MTAs
to multiply their messages, it would be enough to stop multiplication
of external mail with more than, say 20 RCTP TO:s, possibly also
noting if the same message is sent several times in 20-at-a-time
chunks.
this would break large mailing lists where many recipients are on the same
systems (such as many intra-company mailing lists).
--
Harald Tveit Alvestrand, alvestrand(_at_)cisco(_dot_)com
+47 41 44 29 94
Personal email: Harald(_at_)Alvestrand(_dot_)no