On Fri, 12 Mar 2004, Marc Alaia wrote:
Sorry if this has been asked before, but there was a ton of stuff on the
list about the new HELO option and I couldn't think of a way to search for
what I'm looking for.
I found that simply rejecting external connections with HELOs matching
my own domain or my own IP address nixes 50% of the worm spam. You
would think the worms would be smart enough to put something random
in the HELO, but apparently most of them aren't.
--
Stuart D. Gathman <stuart(_at_)bmsi(_dot_)com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Very few of our customers are going to have a pure Unix
or pure Windows environment." - Dennis Oldroyd, Microsoft Corporation