On Wednesday, October 24, 2007 7:17 AM -0500 Johnny Hughes <johnny at centos.org> wrote: > Is it possible that you are mounting a filesystem after the postfix > tries to start ... and it is available after startup but not at > init.d/postfix start time? I do have a USB drive attached, but it's not mounted. (I mount it when I need to run a filesystem dump to back up the server, to /mnt/sdc.) But I do suspect a similar kind of race is involved.