[CentOS] DKIM Pass - Fail

> Hello, Prabh.
>
> Your answer lies in the info you provided:
>
> domainkeys=neutral (no sig); from=digital-infotech.net; dkim=permerror
> (future timestamp)
>
> Yahoo appears to think that your timestamp is off by some amount of time
> in the future.
>
> --
> Mike Burger
> http://www.bubbanfriends.org

Configured NTP, restarted server, sent new mail and i have.

Authentication-Results:	 mta1217.mail.mud.yahoo.com
from=digital-infotech.net; domainkeys=neutral (no sig);
from=digital-infotech.net; dkim=permerror (future timestamp)