i have powermta installed on my vps, i tried bulk mailing, server crashed and powermta didnt wan't to restart. your job is to tell me how to fix it in order for pmta to restart:
there are the debugg logs:
root@mail:~# service pmta restart
Stopping PowerMTA: done.
Starting PowerMTA: failed.
root@mail:~# /usr/sbin/pmtad --debug
2016-05-28 21:56:59 WARNING (line 667 of /etc/pmta/config): smtp-port deprecated; please use smtp-listener instead
2016-05-28 21:56:59 Startup error: Error: host name "mail" is not fully qualified, please configure 'host-name' and/or 'domain-suffix'.