On Tue, May 17, 2011 at 10:48 PM, Wietse Venema <wie...@porcupine.org>wrote:
> afshin afzali: > > I need to get custom control over defer queue. My emails need to > > be sent in specified time-frame. > > Wietse: > > /etc/postfix/main.cf: > > maximal_queue_lifetime = 3600s > > maximal_backoff_time = 600s > > > > This retries mail approximately six times until it is approximately > > one hour old. > > afshin afzali: > > hi wietse?I need further control over defer queue? actually Im going to > use > > postfix as cross switch between multiple kind of messaging media such as > > voice and sms?to do this?message sender needs to specify time frame that > the > > message must be send?i.e. 9?12 AM. I think if there is a hook that i > could > > install to decide if is ok to return email to active queue would be my > > solution? > > Wietse > Postfix has no support for senders to specify "do not deliver > this message after X" (i.e. no per-message expiration time). > Of course, for transports such as SMS or voice I need to use custom scrips to wrap postfix to appropriate managers. In these scripts I will check time-frame parameter to decide if the message should let to go or not. > > Postfix explicitly does not support other programs reading or > manipulating Postfix queue files. If you do this then you do > so at your own risk. > I hope that there was a mechanism like those that inspect messages for spam. > > Postfix has no support for control over the queue by non-Postfix > programs. Allowing a non-Postfix program to decide if mail goes > into the active queue does not solve your problem. Postfix will > retry delivery until the message is too old. > > Also, you need to respect mailing list etiquette. Put your reply > BELOW the text that you reply to, and do reply with the entire > previous message if it is longer than a dozen or so lines. > > Wietse > -- afshin
