ANNOUNCE: BarricadeMX is released

mikea mikea at
Thu Jun 14 21:41:21 IST 2007

On Thu, Jun 14, 2007 at 02:30:15PM -0400, Stephen Swaney wrote:

> I can send any who wants the full documentation which will give some clues
> as to how the application works. Please contact me off list. Just knowing
> the test that are run is however only a small part of the answer.
> The process works by examining the behavior of the spammer during the
> initial part of the SMTP conversation before the DATA phase of the
> transmission. Bad guys are dropped or rejected as soon as we know they are a
> spammer. Why waste time with spammers. Why run stuff that's obviously spam
> through SpamAssassin. I'll take a 4MB multi-threaded C program over Perl any
> time it does (most of) job :)
> The tests are applied using branching logic. each test the sender passed or
> fails affect their path through the rest of the tests (over 60 individual
> tests) - thousands of different paths.
> This is the true secret (proprietary) part of the application. They are
> deadly accurate.
> The idea here is to safely reject (with an NDR) as much of the junk as
> possible and it does work. Most of the BarricadeMX sites are rejecting over
> 90% of all of the incoming traffic with very little with listing required
> for required for the really clueless administrators out there. 

Bummer! Response was supposed to be private. Sorry!

Mike Andrews, W5EGO
mikea at
Tired old sysadmin 

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