[145936] in North American Network Operators' Group
Re: Outgoing SMTP Servers
daemon@ATHENA.MIT.EDU (Scott Howard)
Wed Oct 26 22:58:25 2011
In-Reply-To: <CAK5YLgcfEvX5p8Voauzu6L3+2ZW0v1zF6JVRfWwmo4DR_cffnQ@mail.gmail.com>
Date: Wed, 26 Oct 2011 19:57:23 -0700
From: Scott Howard <scott@doc.net.au>
To: Aftab Siddiqui <aftab.siddiqui@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Tue, Oct 25, 2011 at 2:51 AM, Aftab Siddiqui <aftab.siddiqui@gmail.com>wrote:
> Blocking port/25 is a common practice (!= best practice) for home
> users/consumers because it makes life a bit simpler in educating the end
> user.
>
MAAWG have considered this a best practice for residential/dynamic IPs since
2005 - http://www.uceprotect.net/downloads/MAAWGPort25English.pdf
The FTC and numerous other government agreed the same year -
http://www.ftc.gov/bcp/edu/microsites/spam/zombie/letter_english.pdf (The
URL in the pdf no longer works - it's not
http://www.ftc.gov/bcp/edu/microsites/spam/zombie/)
Anyone not yet past the denial stage on this one needs to get themselves a
copy of RFC 5068 and start reading.
Scott.
