[76982] in North American Network Operators' Group

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Re: Port 25 filters - how many here deploy them bidirectionally?

daemon@ATHENA.MIT.EDU (Sean Donelan)
Sun Jan 9 14:51:59 2005

Date: Sun, 9 Jan 2005 14:51:31 -0500 (EST)
From: Sean Donelan <sean@donelan.com>
To: Suresh Ramasubramanian <ops.lists@gmail.com>
Cc: nanog@nanog.org
In-Reply-To: <bb0e440a0501090625648426df@mail.gmail.com>
Errors-To: owner-nanog-outgoing@merit.edu


On Sun, 9 Jan 2005, Suresh Ramasubramanian wrote:
> So, a quick poll .. how many ISPs here have noticed this behavior, and
> applied bidirectional filters?  And if they've applied port 25 filters
> bidirectionally, have they noticed any problems with this setup?

Have you looked at the following :-)

http://www.outblaze.com/main.php?id=antispam&page=anti_infoadmin

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