how to force cyrus to honor domain name with user name ?

[JOYDEEP]

Rudy Gevaert wrote:
> JOYDEEP wrote:
>> Dear list,
>>
>> I can login the cyrus IMAP both as username   as well as
>> username at domain.name.
>>
>> How can I force cyrus to allow login as username at domain.name    only ?
>>
>
>
> I believe it is
> virtdomains: userid
> in imapd.conf
>
>
Thanks, I'll check it and let u know soon.
have a nice day.