[Dovecot] email addresses as usernames with Kerberos

Hi,

I was trying out Kerberos authentication with som sample users for Dovecot and stumbled into this problem:

The user names are of the form local-part@domain, so the Kerberos principal becomes "local-part\@domain@REALM".

But it seems Dovecot (1.2.9) doesn't understand that syntax. Looking at the 2.0.8 sources I guess it's not supported.

But isn't this a valid Kerberos principal? Is it a bug, or a missing feature or is there a special reason for not supporting it ?

kind regards, Peter