dovecot unknown user??

[TestUser]

HI,
i have DA installed everything works GREAT!
BUT
in syslog i se some errors and i want to eliminate this!
every thime the user checks for new email i get something like this

Oct 7 10:10:30 server dovecot: auth: shadow(user@domain,IP): unknown user
Oct 7 10:10:30 server dovecot: auth: passwd(user@domain,IP): unknown user
Oct 7 10:10:30 server dovecot: pop3-login: Login: user=<user@domain>, method=PLAIN, rip=IP, lip=IP, mpid=22776

now like i sad everithing works perfectly, i just want to know what this 2 errors before the user is loged in pop3 ?

 

[zEitEr]

Hello,

http://help.directadmin.com/item.php?id=175

 

[TestUser]

Hello,

http://help.directadmin.com/item.php?id=175

Thank you... BUT this is only hidding errors...

Is there a setting to eliminate this error?
Ok... dovecot is trying to authenticate to db that dosent exists...
Can i fix this so dovecot will only look in the right place?

 

[zEitEr]

You'd better ask the question on dovecot mailing lists.