Kopano
From DWIKI
FAQ
OpenEntry(2) failed: not found (8004010f)
[error ] Error while connecting to search on "file:///var/run/kopano/search.sock"
UnicodeDecodeError: 'utf-32-le' codec can't decode bytes in position 200-203: code point in surrogate code point range(0xd800, 0xe000)
High load on accounts-daemon
Fix wtmp/btmp logrotates: https://durastudio.com/node/613