[145838] in North American Network Operators' Group
Re: Outgoing SMTP Servers
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Tue Oct 25 01:28:38 2011
Date: Tue, 25 Oct 2011 07:27:43 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Dennis Burgess <dmburgess@linktechs.net>
In-Reply-To: <13175F96BDC3B34AB1425BAE905B3CE50BA685A7@ltiserver.lti.local>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Mon, 24 Oct 2011, Dennis Burgess wrote:
> I am curious about what network operators are doing with outbound SMTP
> traffic.
Block all TCP/25 and require users to use submit with authentication on
TCP/587.
--
Mikael Abrahamsson email: swmike@swm.pp.se
