On 2026-09-16, alain williams wrote: > A had files in /etc/bind/ with names like db.local which got renamed to > db.local.dpkg-remove [...] > It also copied files so named.conf.default-zones was copied to > named.conf.default-zones.dpkg-backup -- both files are the same but > named.conf.default-zones has today's timestamp, > named.conf.default-zones.dpkg-backup is a couple of years old. > > Also Dovecot - changed the syntax of the config files -- sigh. I do not blame > Debian for that.
You should have some warnings about these changes during upgrade. If you missed them you could retrieve them in /var/log/apt/term.log

