Quoth Matthew Daubenspeck on Sat, Jan 05, 2002: > I am mainly using Windows Eudora as the mail client, and have been testing
> it extensively on 3 remote machines. Two machines are completely remote and
> cannot relay at all, and receive the standard 550 error, even though they
> are set to use Authentication.
Do they really authenticate? Try to run 'exim -bh' with their IP
address and authenticate manually. Can you relay then?
> The third machine is behind the same
> firewall as the server, and seems to authenticate and relay perfectly. The
> ONLY way I can get the other two clients to properly relay messages is to
> add their hostname to the host_accept_relay section.
