[Dovecot] Dovecot-2.0.11 searches in all LDAP directory

[Басов Евгений]

> I tested IMAP over telnet:
>
> $ telnet mainserv.ph.com 143
> Trying 192.168.1.252...
> Connected to mainserv.ph.com.
> Escape character is '^]'.
> * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE
> IDLE STARTTLS AUTH=PLAIN] Dovecot ready.
> a001 LOGIN someuser password1
>
> Two passwords are tested: for uid from ou=Mail and ou=Users.

Dovecot authenticate with password1 for uid from ou=Mail and for some
uid from ou=Users. It should not be.