On Oct 31, 2006, at 2:14 PM — 10/31/06, Chris Simon wrote:

> Does anyone know of any other way to enhance spam filtering in  
> Listserv
> without using SpamAssassin?  We're afraid that SpamAssassin will  
> bog down
> our mail servers too much.

The easiest way to virtually stop spammers in their tracks from  
spamming lists' subscribers is to make each of your lists  
"Send=Private,Confirm" unless they are moderated.