On Fri, 30 Nov 2007, Indunil Jayasooriya wrote: > I am runnig posfix on Centos 4.4 as a Mailgateway. It only accepts mails for > domains and then forwards mails to Lotus domino Server. > > All clients sends outgoing mails to that Lotus domino Server. Then , That > Lotus Domino Server sends mails to Postfix mailgateway. This postfix > mailgateway sends mails to all the destinations. But, This Postfix > mailgateway has about 150 messages in the mailq. Some are unwanted mails. I > think they keep trying until 5 days old. I want decrease it to ONE DAY. > > > > In Sendmail, this can be done by editing sendmail.mc as below. > > > (`confTO_QUEUERETURN', `5d')dnl > > changing above line to below line > > (`confTO_QUEUERETURN', `1d')dnl > > > How Can I do it in Postfix? It should be one of these: bounce_queue_lifetime = 1d maximal_queue_lifetime = 1d