> > exim are on individual isps, I'd like to set up my relay ruleset to
reflect > > each person's isp's ranges as tightly as possible.
> > I've determined that 'host_accept_relay' in the /etc/exim.conf is the
> > directive I'm looking for, and so I've set it accordingly:
> > host_accept_relay = 10.0.0.0/24:localhost:*.mindspring.com
>
> Instead of relaying for everyone in mindspring's dialup pool (and thus
> exposing yourself to every spammer on a mindspring dialup) set up smtp-auth. >
> Or just have your client relay through earthlink / mindspring's smtp server. > Does he have any compelling reason why he should relay only through your
> server?
>
I would venture to guess that the problem may be caused by
Mindspring/Earthlink themselves -- they have a policy of port 25 blocking.
Hence, any traffic going out port 25 of one of their dialups to anywhere but
their own mail server is blocked. You may *have* to use one of their smtp
relays...
