ML put forth on 11/23/2009 8:14 PM: > Thank you for the explanation. OK, I can goto Comcast with that. This is what > I thought, but I have never had a Comcast circuit before.
Welcome. > Can I just assign mail.xxxxx.com to all of my 13 IP's that I have with them? > That way if I chose to send mail on a server in the future I dont have to > deal with comcast at all? No one here is in a position to architect your DNS solution for you. For now, I'd have Comcast create a PTR and matching A and MX records for your main Postfix server IP/domain. You may have them create a generic PTR for all the other IPs if you wish, such as yourdomain.tld -- Stan