mailed 980 bytes of output but got status 0x004b from MTA
https://superuser.com/questions/1478754/crontab-job-log-message-shows-a-error-status-0x004b-from-mta012
See also[edit]
cron, crontab, systemctl list-timers, anacron, Kubernetes scheduler, Systemd services, CronJobsStack, cron.schedule, crontab -l, 0x004b, at, /etc/cron.deny, /etc/cron.allow, /etc/crontab, /var/spool/cron/crontabs/
