On Mon, 2004-08-23 at 17:44, James Wilkinson wrote: > Peter Boy wrote: > > The SMTP does not support your model to use your "green" server to > > "pull" mail from the DMZ server. It is a "push" type communication > > model. > > Actually, it's little used, but there is support in the protocol. The > TURN or ETRN command makes the "client" act as the "server", and vice > versa. So the "green" server would connect to the DMZ server on > port 25 (an outbound connection), issue ETRN, and then the DMZ would > push any mail it had queued to the "green" server. > > Obviously, both servers have to support this. And no, I've never used > qmail, so I don't know if or how it would do this. > BINGO! Thanks James you solved my problem. It is available in qmail with a patch called serial-mail. For anyone looking for a similar solution, I quote below from qmail faq at http://cr.yp.to/qmail/faq/servers.html Best regards and thanks to all the people on the list for helping me. Sanjay. > How do I send messages by SMTP to an authorized dialup host when it > makes an SMTP connection? I've heard about ETRN and AutoTURN. > > Answer: This answer assumes that you are running qmail-smtpd under > tcpserver. > > Install serialmail and read /usr/local/doc/serialmail/AUTOTURN. > > AutoTURN works with clients that send ETRN. It also works with clients > that don't send ETRN. >
