barracuda spam firewall

If DNS is setup incorrectly, over time your mail server IP will be added to blacklists. Nowadays most E-Mail servers have some kind of spam protection service which in turn means that all your inbound mail will be blocked if you do happen to be listed on a spam blacklist.

Thursday, August 18, 2011

barracuda spam firewall

Posted by aonjung at 9:25 PM No comments:
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