telnet to port 25 on your host, from a remote host - one that isn't trusted
to send mail (perhaps you have a machine at home that you can use) - and
say:
helo <anything>
mail from:<>
rcpt to:<recipient>
quit
Where <anything> is anything that your host accepts, and "recipient" is not
a local recipient, but is a known good email address. "postmaster" at
somewhere would do.
You should get a 5xx error after rept to:
--On jueves, 11 marzo 2004 07:10 -0500 Christopher Baker
<chris@???> wrote:
> What's the best way to test to make sure that I don't have an open relay
> running?
>
> Thanks.
>
> Chris
>
> ============================================================
> FRANK BURNS: Unless we each conform, unless we
> obey orders, unless we follow our leaders blindly, there
> is no possible way we can remain free.
> _M*A*S*H_, "The Novocaine Mutiny"
> ============================================================
> Chris Baker -- www.chrisbaker.net
> chris@???, chrisbaker@???, cbaker2@???
> "When you stop growing, you start dying."
>
>
> --
>
>## List details at http://www.exim.org/mailman/listinfo/exim-users Exim
>## details at http://www.exim.org/ ##
>
--
Ian Eiloart
Servers Team
Sussex University ITS
