Created Mittwoch 22 Januar 2020
-> I made a copy after the installation of 8.8.15 18_04 to /opt/zimbra/crontab.org.2020.01.19. crontab.org is the copy of zmbak.sh.
# crontub -u zimra /path/to/crontag.backup
e.g.
# crontub -u zimra /opt/zimbra/crontab.org