[78209] in North American Network Operators' Group

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

daemon@ATHENA.MIT.EDU (Jim Popovitch)
Fri Feb 25 02:32:54 2005

From: Jim Popovitch <jimpop@yahoo.com>
To: Valdis.Kletnieks@vt.edu
Cc: andrew2@one.net, nanog@merit.edu
In-Reply-To: <200502250436.j1P4aeut018228@turing-police.cc.vt.edu>
Date: Fri, 25 Feb 2005 02:30:01 -0500
Errors-To: owner-nanog@merit.edu


On Thu, 2005-02-24 at 23:36 -0500, Valdis.Kletnieks@vt.edu wrote:
>
> The rest of us run mail services in the real world, where lots of users buy
> laptops, and then actually <gasp, shock> *use* the portability and thus often
> end up behind some other ISP's port-25 block.

Why not a VPN solution.  If you have mail servers that your users need,
chances are that you also have file servers, internal web servers.
calender servers, etc.  Should file/web/calender servers all open one
port or internal access and a second port for authenticated external
access?

-Jim P.





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