[Dovecot] Deferring, instead of rejecting, messages when at quota

Magnus Holmgren holmgren at lysator.liu.se
Thu Apr 26 12:36:03 EEST 2007

On Thursday 26 April 2007 11:17, Mike Brudenell wrote:
> When I send a large test message to myself that cannot be delivered
> because I don't have sufficient available quota remaining an error
> message is immediately returned to the sender and the incoming
> message discarded.  The error message says this:
>      Your message was automatically rejected by Dovecot Mail Delivery
> Agent.
>      The following reason was given:
>      Not enough disk space
> Instead of Exim rejecting the incoming message and generating the
> error response because of deliver's failure to, umm, deliver I'd like
> the message to be retained in Exim's queue so that it can be retried
> periodically.
> How do I achieve this effect with Exim + deliver please?

In Exim, you can set the temp_errors option of the transport. I don't know 
what code is returned in this case, but I have temp_errors = 73:75:77:78:89. 
If Exim takes care of all the hard errors (like nonexisting user...) you can 
almost set temp_errors = *.

Magnus Holmgren        holmgren at lysator.liu.se
                       (No Cc of list mail needed, thanks)

  "Exim is better at being younger, whereas sendmail is better for 
   Scrabble (50 point bonus for clearing your rack)" -- Dave Evans
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