[Bug 1876537] Re: dovecot eating mail indexes /var/dovecot-index/user

Rafael David Tinoco rafaeldtinoco at ubuntu.com
Thu May 14 21:39:46 UTC 2020

There is a very similar (to yours) problem described here:


one of the developers tell end-user to move away from mbox,
and there seems to exist a correct answer stating that mbox
is a supported format and there is no current documentation
saying that mbox format is broken.

Unfortunately that thread did not have a better ending.

Several discussions, dated from before 2014, stating that 
from time to time the cache gets corrupted. There might be
more than 1 reason on why the cache gets corrupted - doing a
parallel to any other kind of journaling scheme - so...

without having an exact reproducer it would be very difficult
to check why the cache gets corrupted :\.

Moving this to confirmed as it seems to still exist.

** Changed in: dovecot (Ubuntu)
       Status: Invalid => Confirmed

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  dovecot eating mail indexes /var/dovecot-index/user

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