On Sun, Dec 07, 2008 at 11:13:15AM -0500, Sahil Tandon wrote: > Also consider rejecting machines that HELO (or EHLO) with "dynamic > looking" hostnames.
As well as your own IP, hostname and domain(s). No-one shoud use those
as their HELO, but some (stupid) spammers do (hoping to get whitelisted
or oterwise excepted from certain checks).
Geert
