I thought I had this right and had set the following
sender_net_accept_relay = "138.253.0.0/255.255.0.0:\
....
....
(included our Class C nets).
I may have done something stupid with the netmasks but my (apparently)
wrong understanding was that RCPT TO:<> containing addresses in the
specified nets would be allowed but others would not.
Currently, my exim (1.61) setup is not allowing _any_ relaying to internal
machines which is what I want.
I'm trying to stop relaying where mail from:<> and rcpt to:<> are both
offsite.
Thanks for any pointers.
--
Alan Thew alan.thew@???
Computing Services,University of Liverpool Fax: +44 151 794-4442