Anti-spam SMTP mods

Brian Densmore DensmoreB at ctbsonline.com
Tue Mar 9 20:49:37 CST 2004


> -----Original Message-----
> From:	Jonathan Hutchins
>> If all admins would set up reverse DNS...
>
> Blocking mail where there is _no_ valid reverse DNS is very effective.  I did 
> have that enabled, and when I had to un-block it (per my ISP's policies), the 
> mail that came in was 100% spam.  Some of that still gets by my beysian 
> filters for some reason.
What do you mean you had to unblock RDNS per your ISP's policies?
I'd tell them to go ...

Just my $0.02,
Brian




More information about the Kclug mailing list