[67375] in North American Network Operators' Group
Re: Stopping open proxies and open relays
daemon@ATHENA.MIT.EDU (William Allen Simpson)
Mon Feb 9 08:52:09 2004
Date: Mon, 09 Feb 2004 08:51:42 -0500
From: William Allen Simpson <wsimpson@greendragon.com>
To: nanog@merit.edu
Errors-To: owner-nanog-outgoing@merit.edu
Gregh wrote:
>
> Optus in Australia have taken the line of blocking port 25 to anything at
> all excepting contact with their own servers. Seems to work. Some pissed off
> customers with their own smtp progs etc but my guess is that this would fit
> your bill.
>
Earthlink and many others have been doing this in the US for a long time.
But, they don't require any "authorization" in sending, despite that
being available built-in to NetScape/Mozilla for many years, and they
don't seem to actually scan their outgoing email for virii and cut off
the user.
I'm not sure this is the answer.
--
William Allen Simpson
Key fingerprint = 17 40 5E 67 15 6F 31 26 DD 0D B9 9B 6A 15 2C 32