problema na instalação do power mta

[opencag]

Segue o erro:

[root@srv1 pmta]# /etc/rc.d/init.d/pmta start
Starting pmta (via systemctl):  Job for pmta.service failed. See 'systemctl status pmta.service' and 'journalctl -xn' for details.
                                                           [FAILED]

 

Quando digito o comando "systemctl status pmta.service"

 

 

[root@srv1 pmta]# systemctl status pmta.service
pmta.service - LSB: Port25's Message Transfer Agent (MTA)
   Loaded: loaded (/etc/rc.d/init.d/pmta)
   Active: failed (Result: exit-code) since Thu 2015-05-28 08:11:01 EDT; 43s ago
  Process: 28134 ExecStart=/etc/rc.d/init.d/pmta start (code=exited, status=2)
 
May 28 08:11:01 mx.domain.com systemd[1]: Starting LSB: Port25's Message Transfer Agent (MTA)...
May 28 08:11:01 mx.domain.com pmta[28139]: Startup error: Invalid LAK signature
May 28 08:11:01 mx.domain.com pmta[28134]: Starting PowerMTA: [FAILED]
May 28 08:11:01 mx.domain.com systemd[1]: pmta.service: control process exited, code=exited status=2
May 28 08:11:01 mx.domain.com systemd[1]: Failed to start LSB: Port25's Message Transfer Agent (MTA).
May 28 08:11:01 mx.domain.com systemd[1]: Unit pmta.service entered failed state.
 

 

Alguém já passou por isso ?