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What to do if your domain name or mailserver IP is listed in a DNS blacklist somewhere

Posted July 19th, 2007 by markjr
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You find yourself in a situation where email you send from your domain is being rejected by some remote mail servers with a message that your domain is listed in a DNS based blacklist.

The bounce message will contain a line like this:


550 Service unavailable; [your domain here] blocked using some.domain.rbl

There are two things you need to do in order to restore your mailserver integrity:

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