vhost user

[Emilis Trinskis]

Hi all,
Question about qmail vhosts:

I have a two domains: example1.com and example2.com
And i have a user: john
Now when i getting emails to  [EMAIL PROTECTED]  and [EMAIL PROTECTED]
those emails goes to user john.
I need todo: if email goes to [EMAIL PROTECTED] - it's ok
             if email goes to [EMAIL PROTECTED] - no such user


Sorry my english is pure.
Emilis