[78184] in North American Network Operators' Group

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Re: Why do so few mail providers support Port 587?

daemon@ATHENA.MIT.EDU (Nils Ketelsen)
Thu Feb 24 16:09:59 2005

Date: Thu, 24 Feb 2005 16:08:42 -0500
From: Nils Ketelsen <nils.ketelsen@kuehne-nagel.com>
To: nanog@merit.edu
Mail-Followup-To: nanog@merit.edu
In-Reply-To: <Pine.GSO.4.58.0502152039260.16931@clifden.donelan.com>; from sean@donelan.com on Tue, Feb 15, 2005 at 09:00:11PM -0500
Errors-To: owner-nanog@merit.edu


On Tue, Feb 15, 2005 at 09:00:11PM -0500, Sean Donelan wrote:

> Although RFC2476 was published in December 1998, its amazing
> how few mail providers support the Message Submission protocol
> for e-mail on Port 587.  Even odder, some mail providers
> use other ports such as 26 or 2525, but not the RFC recommended
> Port 587 for remote authenticated mail access for users.

I can not say anything about other providers, but I don't do it for a
simple reason: I think it is completely pointless. 

> What can be done to encourage universities and other mail providers
> with large roaming user populations to support RFC2476/Port 587?

Give a good reason. That is still the missing part.


Nils

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