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...

According to the tech support rep at ATT internet services (800-833-2120). The current email address to send reverse DNS requests to is: prov-dns@att.com AT&T/SBC Internet Services (DNS...