Open Relay Checker before Opening MTA

[Doug Palmer]

Daniel McNamara wrote:


> Due to a recent ugly incident where one of my work place mail servers was
> blacklisted for being an open relay (nothing major it was for some reason
> accepting null <> users to send mail bypassing IP range checks) I found out
> about a handy place called the Open Relay DataBase.
> 
> http://www.ordb.org/



Thanks for the site. It's fascinating to watch the various probes trying 
things I'd never have dreamed of.

-- 
Doug Palmer   doug at charvolant.org   http://www.charvolant.org/~doug