Mailscanner marking DOS Attack on 2 different servers

[Spicer, Kevin]

> I have two different servers that just started developing 
> problems with
> mailscanner marking all inbound and outbound email a denial of service
> attack.
> 
> I've been searching the archives trying to figure out what 
> could be wrong,
> but can't really find anything. It seems that maybe it's 
> caused by a timeout
> on dns, but nothing has changed on these two servers in many weeks.
> 
> Where else could I start troubleshooting this?

It may be that your virus scanner has packed up. 



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