I had the same issue and found that the system that's relaying (216.129.105.40) those confirmation emails doesn't have a PTR record. You'd think someone selling a antispam/email appliance would be familiar with the RFCs.
-----Original Message----- From: Justin Piszcz [mailto:[EMAIL PROTECTED] Sent: Monday, September 22, 2008 10:15 AM To: Daniel J McDonald Cc: users@spamassassin.apache.org Subject: Re: New free blacklist: BRBL - Barracuda Reputation Block List On Mon, 22 Sep 2008, Daniel J McDonald wrote: Hmm I signed up for this 1-2 days ago but never got a confirmation e-mail from them? What is the RBL name? Justin.