Cannot determine host's domain name, so skipping default key generation.

[zakrpa]

Installing DKIM & SPF
Postfix and opendkim already installed!
Stopping Clam AntiVirus Daemon: [  OK  ]
Starting Clam AntiVirus Daemon: [  OK  ]
Stopping spamd: [  OK  ]
Starting spamd: [  OK  ]
Shutting down Mail Virus Scanner (amavisd): [FAILED]
Starting Mail Virus Scanner (amavisd): [  OK  ]
Stopping Dovecot Imap: [FAILED]
Starting Dovecot Imap: [FAILED]
Shutting down postfix: [  OK  ]
Starting postfix: [  OK  ]
Stopping OpenDKIM Milter: [  OK  ]
Generating default DKIM keys: [WARNING]
Cannot determine host's domain name, so skipping default key generation.
Starting OpenDKIM Milter: [  OK  ]

Cant find what I m doing wrong 

fixed problem with my hostname......

[Administrator]

Reject Unknown Hostname:
(WARNING: Reject unless the hostname has valid DNS record.)

why have you enabled above  if you are not certain what that does ?

[zakrpa]

I had problem with my host name fixed before.
You didn't see I edited my post.

[Administrator]

try confirming your hostname in the CWP.admin and then again rebuild the mail server

[brijendrasial]

Admin you are drunk today. In his initial post only he mentioned problem was solved and he knew it was his hostname

[Administrator]

just for others reading the same posts...so that they don't open multiple topics
but yes I'm probably little drunk from coffee