On Thu, Dec 08, 2016 at 07:39:00AM +0000, Dominic Raferd wrote:
> Is there a way to get it instead to try again, after a delay, to the
> primary onward server(s) (whether the one specified as relayhost or,
> if no relayhost is specified, the MXs per the recipient address),
> and only if these fail again (or after n times) then fallback?
No. The fallback is there to free the primary server from mail that
can't be delivered immediately. To queue it for some time first and
only then use the fallback would defeat this purpose.
> If nothing was specified as smtp_fallback_relay would it wait and
> try again on a transient error or would it just give up immediately?
> If the former, this would give me the behaviour I want but I really
> need to have the fallback option too (in case of permanent errors,
> or transient errors that don't go away).
Why do you think a transient error should ever produce an immediate
bounce?
Bastian
--
Schshschshchsch.
-- The Gorn, "Arena", stardate 3046.2
