> On Jan 18, 2018, at 2:44 PM, Dennis Putnam <[email protected]> wrote:
>
> I occasionally encounter a strange problem with the mail queue seemingly
> not retrying failed messages.
What is your definition of "not retrying"? Messages are retried
periodically, with exponential backoff up to the maximal_backoff_time.
When enough messages for a given destination all encounter connection
failure, other messages in the active queue to the same destination
may be deferred without being retried (to avoid queue congestion).
> The messages show in mailq as having timed
> out and are a few days old.
They've probably maxed out the maximal_backoff_time and are tried
infrequently, but are not forgotten.
> In the mean time other messages are going through just fine.
That's normal.
> As soon as I run postqueue -f those messages go through as well.
That's also normal.
> I guess I can set up a cron to issue the postqueue -f command
Don't.
> but there is obviously something wrong.
Nothing in your message is evidence of of a problem.
> Can someone tell me how I might trouble shoot this problem?
First post evidence of a problem (logs and configuration details).
--
Viktor.
