[97970] in North American Network Operators' Group
Re: DNS Hijacking by Cox
daemon@ATHENA.MIT.EDU (Florian Weimer)
Mon Jul 23 02:20:15 2007
From: Florian Weimer <fw@deneb.enyo.de>
To: Sean Donelan <sean@donelan.com>
Cc: William Allen Simpson <william.allen.simpson@gmail.com>, nanog@merit.edu
Date: Mon, 23 Jul 2007 08:18:58 +0200
In-Reply-To: <Pine.GSO.4.64.0707222104470.20263@clifden.donelan.com> (Sean
Donelan's message of "Sun, 22 Jul 2007 21:19:44 -0400 (EDT)")
Errors-To: owner-nanog@merit.edu
* Sean Donelan:
> On Sun, 22 Jul 2007, William Allen Simpson wrote:
>> Comcast still blocks port 25. And last week, a locally well-known person
>> was blocked from sending outgoing port 25 email to their servers from her
>> home Comcast service.
>
> MSA port 587 is only 9 years old. I guess it takes some people longer
> than others to update their practices.
You missed the "to their servers" part (I don't think it's singular
"they" 8-). At the intra-ISP level, submission vs. SMTP does not
really matter because it's all local policy. If they block her on
25/TCP on their own servers, they can easily block her on 587/TCP,
too.
