Virus Scanning: Denial Of Service attack

[Eduardo Andre]

I have the follow message in my MailScanner box.


MailScanner[25505]: SpamAssassin timed out and was killed, consecutive
failure 2 of 30
MailScanner[30064]: Commercial scanner sophos timed out!
MailScanner[26962]: Commercial scanner sophos timed out!
MailScanner[30064]: Virus Scanning: Denial Of Service attack detected!
MailScanner[30064]: Virus Scanning: Denial Of Service attack
is in message 1ABZxZ-0003uN-Rp

After, I have the follow in my messages log.

1:58:40 kernel: Out of Memory: Killed process 30530 (MailScanner).

And my server crash.

I red message with ID 1ABZxZ-0003uN-Rp, and its a normal email message.

Anybody help me?

I use MailScanner 4.22.5 in a Red Hat 9.0 with Exim.
My Virus Scanner is Sophos.


Tnx.


Eduardo