Title: Message
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Well, not sure that a firewall will help as I will
still allow traffic to the mail server. Most of the connections only try to
deliver to a few address before moving on.
----- Original Message -----
Sent: Thursday, February 26, 2004 9:46
AM
Subject: RE: [IMail Forum] invalid
user
Black Ice, or some other front end system that limits dictionary
attacks.
Jason
We have been getting huge ammounts of invalid
user errors for the last few months. Primarily on 1 domain but I notice
other domains getting hammerd as well. Is there anyway to fight this. The
mail server spends so much time telling these spammers that these names are
not valid that my daily logs (without debug) are 30 +mb's in size and it
also makes it hard to follow a normal thread in the log.
The ip address that they are comming from are
continualy changing.
Keith
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