dovecot.conf

protocols = imap
disable_plaintext_auth = no
ssl = no
mail_location = maildir:/var/vmail/%n
auth_username_format = %Lu

valid_chroot_dirs=/var/vmail

#maximum verbose
auth_verbose = yes
verbose_proctitle = yes
auth_debug = yes
verbose_ssl=yes
auth_debug_passwords=yes
mail_debug=yes

protocol imap {
    mail_plugin_dir = /usr/lib/dovecot/modules/imap
    }
protocol pop3 {
    mail_plugin_dir = /usr/lib/dovecot/modules/pop3
    }

auth_executable = /usr/lib/dovecot/dovecot-auth
auth default {
    mechanisms = login plain
    passdb ldap {
     args = /etc/dovecot/dovecot-ldap.conf
     }
    userdb ldap {
     args = /etc/dovecot/dovecot-ldap.conf
    }

user = vmail
socket listen {
    master {
        path = /var/run/dovecot/auth-master
        mode = 0666
	user = vmail
	group = vmail
    }
    client {
        path = /var/run/dovecot/auth-client
        mode = 0666
	user = postfix
	group = postfix
    }
}
}