[Dovecot] kerberos trying to obtain credentials for wrong machine

[Nikolay Shopik]

Hi,

I'm currently trying to configure Dovecot to use kerberos. My KDC is 
Windows 2003 and I successful generated keytab file for Dovecot machine. 
Problem is when I'm trying to use GSSAPI it told me
Obtaining credentials for imap at debian5 - and of course this fails 
because debian5 isn't KDC, it should look for 
imap/debian5.inblock.local at INBLOCK.LOCAL.
What I'm missing?