ubuntuusers.de

/etc/init.d/qmail status

● qmail.service - Panel qmail MTA service
   Loaded: loaded (/lib/systemd/system/qmail.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since So 2017-01-22 08:28:47 CET; 14min ago
  Process: 26776 ExecStart=/var/qmail/bin/qmail-start | /usr/bin/deliverquota ./Maildir splogger qmail (code=exited, status=111)
 Main PID: 26776 (code=exited, status=111)

Jan 22 08:28:47 webhost systemd[1]: Stopped Panel qmail MTA service.
Jan 22 08:28:47 webhost systemd[1]: Started Panel qmail MTA service.
Jan 22 08:28:47 webhost systemd[1]: qmail.service: Main process exited, code=exited, status=111/n/a
Jan 22 08:28:47 webhost systemd[1]: qmail.service: Unit entered failed state.
Jan 22 08:28:47 webhost systemd[1]: qmail.service: Failed with result 'exit-code'.

tailf /var/log/mail.err

Jan 22 08:46:01 webhost plesk sendmail[27462]: Canonname is not correct fqdn
Jan 22 08:46:01 webhost plesk sendmail[27462]: It is impossible to detect the FQDN of the host.#012Please make sure that the host name is correctly specified in /etc/hosts and goes right after the host's IP address.#012Depending on your OS, you might need to set the host name in /etc/HOSTNAME or /etc/hostname.
Jan 22 08:46:01 webhost plesk sendmail[27467]: Unable to get sender domain by sender mailname
Jan 22 08:46:01 webhost plesk sendmail[27469]: sendmail unsuccessfully finished with exitcode 111

root@webhost:~#less /etc/hosts

ff02::1 ip6-allnodes    
ff02::2 ip6-allrouters  

127.0.0.1 localhost.localdomain localhost
# Auto-generated hostname. Please do not remove this comment.
185.XX.XX.XX webhost MY-DOMAIN.DE webhost

root@webhost:~#less /etc/hostname

webhost

root@webhost:~#less /etc/mailname

/etc/mailname: No such file or directory

root@webhost:~#hostname

webhost

root@webhost:~#hostname --fqdn

webhost