[Dovecot] Dovecot authenticating to multiple kerberos realms

Hello,

I got Postfix, Dovecot 1.1.7 configure to use pam and the pam.d/dovecot

file is configure to use pam_krb5 module. Everything is working with no problems, but I am finding that the user must type the domain part in uppercase in order to successfully authenticate.

So I am wondering if there is any way for the user to login as

user1@domain.com instead of user1@DOMAIN.COM...?

Any ideas..?

Thanks