Port 25 filters - how many here deploy them bidirectionally?

Sun Jan 9 19:51:31 UTC 2005

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