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Set up PTR record (Reverse DNS) for AT&T connections

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If you need to set up a PTR record for an AT&T static IP, go to http://attis-dns.sbcglobal.net and fill out the form for reverse DNS from their server IP to their domain name (example: mail.domain.com or remote.domain.com). They will respond that it is complete or for more information. Test using mxtoolbox.com by typing the server […]

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