[Mimedefang] 40K+ emails a day and choking update

[Gary Funck]

> From: David F. Skoll
> Sent: Tuesday, January 10, 2006 5:35 PM
> 
> Ah.  That screams network problems.  DNS latencies can kill you,
> especially if you're using SURBL lookups inside SpamAssassin.
> High DNS latency causes slave processes to build up.

A caching DNS server running on the same box can help?
  - Gary