[Dovecot] Kerberos

[forum]

Hey all new to this crack

Ok so i have setup kerosene on my server i run mutt and it goes off and 
gets kerberos key from server I have added teh gssapi to config file but 
when  the key seams to want to authenticate off dovecot it fail anyone 
help me?

Mutt is returning
No authentication available

Dovecot logs are returning:
Mar 18 01:34:31 bandicoot dovecot: auth(default): gssapi(?,MYIPADDRESS): 
While acquiring service credentials: Miscellaneous failure
Mar 18 01:34:31 bandicoot dovecot: auth(default): gssapi(?,MYIPADDRESS): 
While acquiring service credentials: No principal in keytab matches 
desired name
Mar 18 01:34:34 bandicoot dovecot: imap-login: Aborted login: 
method=GSSAPI, rip=MYIPADDRESS, lip=MYIPADDRESS, TLS

Thanks