On Tue, 4 May 2010, Noel Jones wrote:
The described behavior suggests smtpd_timeout is set for 4s, but that parameter isn't in the postconf or master.cf shown to the list.
Or the poster has a front-end on his mail server, and that is why I asked for a complete log of the 'lifecycle' of the mail, so we can spot if he is getting the timeout from some other piece of software.
- C