Title: Message
Black Ice, or some other front end system that limits dictionary attacks.
 
 
Jason
 
 
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of imail
Sent: Thursday, February 26, 2004 7:44 AM
To: [EMAIL PROTECTED]
Subject: [IMail Forum] invalid user

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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