Failback mailboxes?

[Steffen Kaiser]

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On Wed, 16 Aug 2017, Matt Bryant wrote:

> hmm if message cannot be written to disk surely it remains on mda queue
> as not delviered and does not just disappear ? or am i reading this
> wrong ?!

as Matt writes your MDA (aka dovecot-lda) returns with an exit code != 0 
and your MTA should queue the message for later re-delivery.

IMHO, you should look there, if you call dovecot-lda correctly.

>> Dag Nygren <mailto:dag at newtech.fi>
>> 16 August 2017 at 7:14 am
>> Thanks for all the advice on how to configure systemd
>> not to loose my emails after every update. Much appreciated.
>>
>> But there could be other reasons for the mailboxes not being
>> writable and what I am really asking for is for
>> dovecot-lda not to loose the incoming emails into thin air
>> in these cases.
>>
>> Could we have some kind of collective place/places where they would
>> be saved in this case and then reintroduced into the system
>> after the problem is fixed? One file for example?
>>
>> Best
>> Dag
>> Dag Nygren <mailto:dag at newtech.fi>
>> 14 August 2017 at 4:24 pm
>> Hi!
>>
>> Have been using Fedora as my dovecot server for
>> some time and am struggling with systemd
>> at every update.
>> Fedora insists on setting
>> ProtectSystem=full in both dovecot.service and postfix.service
>> at every update of the packages.
>>
>> This makes my mailstore which is in /usr/local/var/mail
>> Read-only.
>>
>> And this makes the incoming emails delivered through
>> dovecot-lda disappear into /dev/null until I notice
>> the problem and we lose incoming emails.
>>
>> My question is:
>> Is there any way to set up a failback mailstore
>> for these occasions?
>>
>> PS! I really hate systemd - Destroys the UNIX way of
>> doing things with a heavy axe....
>>
>>
>> Best
>> Dag
>

- -- 
Steffen Kaiser
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