> > http://www.sendmail.org
> >
> > the most widely used mail transport agent.
>
> I would suggest qmail ...:(
The last time that I checked, qmail would only send mail to non-local
addresses if it originated from the local host.
It is possible to get around this by running a forwarder via inetd,
and using tcpd (or ipfwadm) to control who can access it. However,
such users are then impossible to distinguish from users which are
really local.
This is probably sufficient for many cases (i.e. where you wish to
grant specific remote users full use of the mail relay, as if they
were local users). However, it appears to be impossible to get the
same degree of control that you can with the check_* rulesets in
sendmail.cf.
-- Glynn Clements <glynn@sensei.co.uk> - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.rutgers.edu