I also use the zen list also but first in the list is spamcop and for the last week this is the report I get for my RBLs. Seems like they are both pretty similar lists.
RBL Server Occurrences bl.spamcop.net 127563 zen.spamhaus.org 34 ----- Original Message ----- From: Martin Blackstone To: MS-Exchange Admin Issues Sent: Tuesday, October 06, 2009 11:49 AM Subject: RE: Top RBLs Dave, it seems like I tried Zen some time back and it was blocking a lot of mail from things like yahoo, etc. Do you see that? From: Eldridge, Dave [mailto:d...@parkviewmc.com] Sent: Tuesday, October 06, 2009 8:44 AM To: MS-Exchange Admin Issues Subject: RE: Top RBLs This is what I have Ninja/Vipre using these days. Zen.spamhaus.org bl.spamcop.net dnsbl.njabl.org dnsbl.ahlb.org Zen gets 99% of them. I threw the others on awhile back and they do catch some. From: Martin Blackstone [mailto:mblackst...@gmail.com] Sent: Tuesday, October 06, 2009 7:00 AM To: MS-Exchange Admin Issues Subject: Top RBLs What are the top RBL's you are using these days? This e-mail contains the thoughts and opinions of the sender and does not represent official Parkview Medical Center policy. This communication is intended only for the recipient(s) named above, may be confidential and/or legally privileged: and, must be treated as such in accordance with state and federal laws. If you are not the intended recipient, you are hereby notified that any use of this communication, or any of its contents, is prohibited. If you have received this communication in error, please return to sender and delete the message from your computer system.{token}
