Mai 20 07:37:05 sv-jih logrotate[3712]: error: skipping "/var/log/sogo/sogo.log" because parent directory has insecure permissions (It's world writable or writable by group which is not "root")

uncommenting the "su sogo sogo" line fixes the logrotate config:

/etc/logrotate.d# cat sogo 
/var/log/sogo/*.log {
    daily
    missingok
    rotate 7
    compress
    delaycompress
    notifempty
    copytruncate
    # The 'su' parameter is normally not needed but in cases where two
    # instances of SOGo run in parallel under different UNIX users it
    # allows proper rotation; requires logrotate >= 3.8.0
    su sogo sogo
}