> On 27 February 2018 at 20:02 Rupert Gallagher <r...@protonmail.com> wrote: > > > Problem solved by going in manually. The log message appears for empty > "public" folders. Say, you have a folder X with subfolder Y, where X does not > contain any e-mail. The log message disappears if you drop an email into X, > then remove it. Puf, gone! So, there seems to be a baby bug in how dovecot > manages the index in this case.
It's more about how dovecot handles empty pvt file. We have an idea why this happens but no fix yet. Aki