RBL for zombie farm spam?

Gary Mills mills@cc.umanitoba.ca
Mon Nov 27 16:52:37 UTC 2006

On Sun, Nov 26, 2006 at 04:58:26PM -0700, Vernon Schryver wrote:
> > From: Gary Mills 
> > Yes, we use a single client whitelist that incorporates nominations
> > from all users.  I could create per-user whitelists for a few
> > mailboxes.  Are you saying that checking URLs in e-mail against a DNS
> > blacklist would result in too many false positives?  How is that
> > possible?  Are the blacklists contaminated?
> Should mail mentioning evil URLs to your postmaster or abuse@ mailboxes
> be rejected?
> Do any users of your systems report spam or trade information about
> spammers and so mention evil URLs?

Yes, but I have them whitelisted by recipient address.  Will that
continue to work if I add a DNS blacklist to the dccm options?

-Gary Mills-    -Unix Support-    -U of M Academic Computing and Networking-

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