Yes, we are using multiples , when I test a few of the known IP's from Spamhaus 
it fails all lookups, which is why I think its not working at all. Spamhaus was 
the one I was testing independently, and sending the email test, and the ip 
lookup test from exchange shell results in false (no response) even though 
Spamhaus says its listed. Im testing some of the other agents now just to see 
if any of them are functioning.

I also signed up for the free Barracuda RBL to try that one too. 

Thanks

-----Original Message-----
From: Bob Fronk [mailto:[email protected]] 
Sent: Wednesday, April 27, 2011 1:37 PM
To: NT System Admin Issues
Subject: RE: Spamhaus Lookup

Relying on RBL alone is not a sufficient way to combat SPAM.  I use multiple 
RBLs, RWLs, Vipre and Barracuda.

-----Original Message-----
From: Level 5 Lists [mailto:[email protected]]
Sent: Wednesday, April 27, 2011 1:11 PM
To: NT System Admin Issues
Subject: Spamhaus Lookup

Tried to put this on exchange list, but keeps saying no attachments .. thought 
I would try it here:

----------------------------

Exchange 2010 SP1 . We dropped anti-spam and put spamhaus and spamcop on and 
enabled. We are still seeing a lot of junk coming through, I went in to test 
spamhaus and no matter what I do the mail passes. I sent a test email to their 
system and it didn't reject it.

When I do a ping or nslookup on zen.spamhaus.org I get nothing in DNS. I tried 
a couple of external DNS servers with the same results. Im on Spamhaus' site 
and don't see anything about them being down... a couple of other providers 
seem to be working ok (I can at least ping/nslookup) the server.

Maybe Im doing something incorrect:

I added the filter, did zen.spamhaus.org, said for any response code (I didn't 
bother setting the different codes for now)




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