On Sun, 06 Sep 2009, Stefan Förster wrote: > Given no external interference, are queue IDs unique within a single > instance for the whole span a message stays within qmgr's control, or > can a mail in e.g. the deferred queue, share an ID with a message in > the active queue?
>From src/global/mail_queue.c: /* The only guarantee given is that on a given machine, no two queue /* entries will have the same queue ID at the same time. -- Sahil Tandon <sa...@tandon.net>