On Thu, Mar 21, 2019 at 10:34:59AM -0500, Noel Jones wrote: > The mail log will provide more information about transport errors. > > Note that when mail is released from hold it's treated as deferred. > It may be several minutes until delivery is attempted.
Or even an hour or two, if the mail has been on hold for some time.
This can be expedited with a "postfix flush", or "postqueue -i" for
a specific queue id.
--
Viktor.
