On Sat, 2010-01-23 at 08:26 +0000, Chih-Cherng Chin wrote: > On 2010-01-21 05:17 +800, Email Archive wrote: > > For me greylisting all mail eliminates most of my spam and I hardly ever > > receive any calls regarding it. > Greylisting is indeed very effective at filtering out bot-sent spam, > which account for more than 80% of global spam now. You can also couple > it with auto whitelist to reduce transimission delay caused by greylisting. > Whenever your users send e-mail, the recepients are very likely to reply. > So why not let their reply bypass greylisting (with exim ACL) automatically? > > Please refer to the following posts for some implementation idea of auto > whitelist for exim: > http://www.gossamer-threads.com/lists/exim/users/68306#68306 > http://www.gossamer-threads.com/lists/exim/users/68924#68924
A simpler approach which more easily scales to multiple mail servers might be just to check for one of your own message-ids in the References: or In-Reply-To: header. -- David Woodhouse Open Source Technology Centre [email protected] Intel Corporation -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
