-----Original Message----- From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf Of Robert Blayzor Sent: August 21, 2002 7:39 PM To: 'Brad Knowles' Cc: nanog@nanog.org Subject: RE: IETF SMTP Working Group Proposal at smtpng.org
Correct, but MX's (mail servers) have static assignments, unless you change DNS every time. Running MX's on dynamic IP's to receive mail would be quite silly.
Then perhaps you'd like to tell me how we have tens of thousands of users quite happily doing it? True, I wouldn't run Hotmail/AOL/EarthLink/etc's MXes off dynamic IPs, but for a home/small biz mail server... Oh, and one last thing, when you specify an MX (statically, as you say), you don't put in the IP but rather a name created with A record, so what prevents that A record from being a low-TTL dynamic DNS A record? Vivien -- Vivien M. vivienm@dyndns.org Assistant System Administrator Dynamic DNS Network Services http://www.dyndns.org/