Re: fix.your.open.relay.or.die.net

> > They probe your system to see if it can realy SMTP - which all
> > systems that follow the RFCs do, by the way. In other words,
if
> > your system works correctly, they black hole list you.
>
> The _ability_ to relay is what the RFCs require of an SMTP
server.
> But having the ability in the server and granting access to that
ability
> on an unrestricted basis are two different items.

Then POP3 doesn't require a paswword for logon, it's outside the
RFC?

The RFC should require a password for SMTP.

I do suggest that IP filtering be done for SMTP with the SMTP
server, not in the firewall.

If your SMTP server supports it.