Hi,
>
> Glynn Clements <[EMAIL PROTECTED]> wrote:
> > > 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.
No, not quite correct. By default it does this, but it's very easy to change
the default behavior, using config files.
>
> 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.
Allowing any host to relay is as simple as adding a "RELAYCLIENT=x.x.x.x" to
hosts.allow.
There are patches available on the qmail web site which allow authenticated
SMTP relaying. Check them out at http://www.qmail.org/ (pick your closest
mirror).
>
> 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.
Apparently you can do just as much with qmail as sendmail, and in my somewhat
limited experiences of this it's certainly much easier to learn and use.
Reuben
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