Rejected mail hosts

[Tim Wiser]

> this could be someone outside your network trying to use your mail server
as
> a
> relay. be sure that your FreeBSD server isn't an open sendmail relay as
> someone
> could effectively clog up your server with relay jink mail and/or spam


Pretty sure that they're not rejected because of that.  We are currently on
dialup ISDN and are using the BT SMTP server as a smarthost until we get
onto an ISP that offers static IP.

Having said that, the logs from last night say:

Checking for rejected mail hosts:
   1 vip-room.com
   1 subdimension.com
   1 aol.com

...and one from the other day:
   1 usermail.com



Unless someone is portscanning IP addresses belonging to BT and finding
addresses with port 25 opened up....?  I think I've locked down the server
to not relay messages.