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What you see when your domain has this problem
Added to RATS Dyna Details area Ignore

More Information About Rats Dyna

RATS-Dyna - Probable PC or home connection infected with a Trojan, Bot, or Emailer Program -- If you are listed in the Spamrats / RATS-Dyna blacklist and you operate your own mail-server, you likely have no valid PTR-Record. If you are simply a home email user, you have a dynamic IP Address and may need to contact your ISP for assistance. If you operate a domain name and are using your ISP for SMTP-Authentication, try contacting your DNS Provider to use their SMTP-Services instead.

More information about RATS Dyna can be found at their website: http://www.spamrats.com