[vchkpw] Virtual domains problem

Hello, I add second domain in vpopmail. I make the user [EMAIL PROTECTED] but when e try to auth in second domain it produces the folowing error : vchkpw-pop3: vpopmail user not found [EMAIL PROTECTED] So it tries to auth emil in first domain , not in second. How to overcome

[vchkpw] rebuild automaticaly tcp.smtp.cdb

I run clearopensmtp with crontab on every minute to enable relayng for my pop users. How to rebuild tcp.smtp.cdb automaticaly when user logs to pop account ? Thanks