Henrik Krohns writes: >On Sun, Apr 29, 2007 at 09:52:39PM -0700, Marc Perkel wrote: >> OK - I did this with Exim rules but the same trick could be used in SA. >> I figured out a trick that catches 419 spam with amazing accuracy. >> >> ... >> So - who uses one freemail address with a reply-to of another? 419 >> spammers. So if you make a list of domains that are popular freemail >> vendors used by spammers and if both the from and reply-to addresses are >> in this list and they are different, it's a 419 spammer. >> >> ... >> Anyhow - I figure this trick would be easy to code up for SA and someone >> should try it. > >Good idea. I made a simple plugin for testing.. > >http://sa.hege.li/FreeMail.pm
I've love to see mass-check results -- this sounds like a promising rule. --j.