Stan Hoeppner wrote: > Why bother? This is an ISP scenario, correct? The 587 command set is > standard SMTP right? Just iptables (verb) TCP 25 to TCP 587 for any IP > ranges within the ISP's MUA customer range. This is assuming said > customers already have to submit auth over TCP 25 to relay mail. Simple > solution. Done. > > Or, have I missed something? >
Submission on port 587 implies STARTTLS (I think). In that case perhaps stunnel magic is needed too. Mikael
