We tried to institute it a couple of weeks back.  It appears that the Spammers have learned to setup their DNS correctly.  We got more reverse DNS failures on legitimate mail than we did with spam.  We are finding the same holds true for SPF as well.
 

Mike Odryna
Owner
Island Pond Computer
http://www.islandpc.com
(603)635-8700



From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Website World
Sent: Tuesday, November 08, 2005 10:45 PM
To: [email protected]
Subject: [IMail Forum] Reverse DNS Check

Are most people doing a reverse DNS check now on incoming email?
 
 
Mike
 

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