Thanks, you were right, I had forgotten that there would be indexes for
each folder (of course). So I had done a 'find -maxdepth' type command
to find and delete them, and only hit the ones in Maildir. Now that I
have deleted all of them, there are no more errors.
On 01.03.2018 17:54, Aki
The EC2 instance that I run Dovecot on (personal mail server) was
forcibly "retired" yesterday, and as a result I ended up rebuilding from
backups. In the process I switched from Ubuntu Precise to Ubuntu Xenial
(12.04 to 16.04), and this in turn caused me to upgrade Dovecot from
2.0.19 to