[67360] in North American Network Operators' Group
Re: question on ptr rr
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Sun Feb 8 22:13:32 2004
From: "Steven M. Bellovin" <smb@research.att.com>
To: Paul Vixie <vixie@vix.com>
Cc: nanog@merit.edu
In-Reply-To: Your message of "07 Feb 2004 18:22:07 GMT."
<g38yjeu4vk.fsf@sa.vix.com>
Date: Sun, 08 Feb 2004 18:36:42 -0500
Errors-To: owner-nanog-outgoing@merit.edu
In message <g38yjeu4vk.fsf@sa.vix.com>, Paul Vixie writes:
>
>
>I think the tipping point went by a while ago, and that anyone who wants
>their e-mail to be accepted will make sure their mail relay has a PTR and
>that that this PTR holds the same name used in the SMTP HELO command.
Of course, not all that long ago AT&T Worldnet got crucified -- on this
list, among other places -- for doing just that.
--Steve Bellovin, http://www.research.att.com/~smb
