Yes, all set - the logs excerpt shoed events only for the login process, here is todays full log for the user:
May 26 08:34:02 auth: Debug: ldap(demo@example.org,127.0.0.1,<MnnzT/YWzgB/AAAB>): bind search: base=o=domains,dc=example,dc=org filter=(&(objectClass=mailUser)(accountStatus=active)(enabledS
ervice=mail)(enabledService=imapsecured)(|(mail=demo@example.org)(&(enabledService=shadowaddress)(shadowAddress=demo@example.org))))
May 26 08:34:02 auth: Debug: ldap(demo@example.org,127.0.0.1,<MnnzT/YWzgB/AAAB>): result: mail=demo@example.org
May 26 08:34:02 auth: Info: ldap(demo@example.org,127.0.0.1,<MnnzT/YWzgB/AAAB>): invalid credentials (given password: demo-d3m0)
May 26 08:34:04 auth: Debug: client out: FAIL 1 user=demo@example.org
May 26 08:34:04 imap-login: Info: Disconnected (auth failed, 1 attempts in 2 secs): user=<demo@example.org>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured, session=<MnnzT/YWzgB/AAAB>
May 26 08:34:11 auth: Debug: ldap(demo@example.org,127.0.0.1,<MNg3UPYW0AB/AAAB>): bind search: base=o=domains,dc=example,dc=org filter=(&(objectClass=mailUser)(accountStatus=active)(enabledS
ervice=mail)(enabledService=imapsecured)(|(mail=demo@example.org)(&(enabledService=shadowaddress)(shadowAddress=demo@example.org))))
May 26 08:34:11 auth: Debug: ldap(demo@example.org,127.0.0.1,<MNg3UPYW0AB/AAAB>): result: mail=demo@example.org
May 26 08:34:11 auth: Info: ldap(demo@example.org,127.0.0.1,<MNg3UPYW0AB/AAAB>): invalid credentials (given password: demodemo)
May 26 08:34:13 auth: Debug: client out: FAIL 1 user=demo@example.org
May 26 08:34:13 imap-login: Info: Disconnected (auth failed, 1 attempts in 6 secs): user=<demo@example.org>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured, session=<MNg3UPYW0AB/AAAB>
May 26 08:35:04 auth: Debug: ldap(demo@example.org,127.0.0.1,<oW2nU/YWHwB/AAAB>): bind search: base=o=domains,dc=example,dc=org filter=(&(objectClass=mailUser)(accountStatus=active)(enabledS
ervice=mail)(enabledService=imapsecured)(|(mail=demo@example.org)(&(enabledService=shadowaddress)(shadowAddress=demo@example.org))))
May 26 08:35:04 auth: Debug: ldap(demo@example.org,127.0.0.1,<oW2nU/YWHwB/AAAB>): result: mail=demo@example.org
May 26 08:35:04 auth: Debug: client out: OK 1 user=demo@example.org
May 26 08:35:04 auth: Debug: ldap(demo@example.org,127.0.0.1,<oW2nU/YWHwB/AAAB>): user search: base=o=domains,dc=example,dc=org scope=subtree filter=(&(objectClass=mailUser)(accountStatus=ac
tive)(enabledService=mail)(enabledService=imapsecured)(|(mail=demo@example.org)(&(enabledService=shadowaddress)(shadowAddress=demo@example.org)))) fields=mail,homeDirectory,mailQuota
May 26 08:35:04 auth: Debug: ldap(demo@example.org,127.0.0.1,<oW2nU/YWHwB/AAAB>): result: mail=demo@example.org homeDirectory=/var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.
16/ mailQuota=1572864000
May 26 08:35:04 auth: Debug: master out: USER 145883137 demo@example.org home=/var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16/ mail=maildir:~/Maildir/ quota_rule=
*:bytes=1572864000
May 26 08:35:04 imap-login: Info: Login: user=<demo@example.org>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=22766, secured, session=<oW2nU/YWHwB/AAAB>
May 26 08:35:04 imap(demo@example.org): Debug: Effective uid=2000, gid=2000, home=/var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16/
May 26 08:35:04 imap(demo@example.org): Debug: Quota root: name=user backend=dict args=:proxy::quotadict
May 26 08:35:04 imap(demo@example.org): Debug: Quota rule: root=user mailbox=* bytes=1572864000 messages=0
May 26 08:35:04 imap(demo@example.org): Debug: Quota warning: bytes=1336934400 (85%) messages=0 reverse=no command=quota-warning 85 demo@example.org
May 26 08:35:04 imap(demo@example.org): Debug: Quota warning: bytes=1415577600 (90%) messages=0 reverse=no command=quota-warning 90 demo@example.org
May 26 08:35:04 imap(demo@example.org): Debug: Quota warning: bytes=1494220800 (95%) messages=0 reverse=no command=quota-warning 95 demo@example.org
May 26 08:35:04 imap(demo@example.org): Debug: dict quota: user=demo@example.org, uri=proxy::quotadict, noenforcing=0
May 26 08:35:04 imap(demo@example.org): Debug: Namespace : type=private, prefix=, sep=/, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir/
May 26 08:35:04 imap(demo@example.org): Debug: maildir++: root=/var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16//Maildir, index=, control=, inbox=/var/vmail/vmail1/gugw.tu-darmstadt
.de/d/e/m/demo-2011.04.12.11.57.16//Maildir, alt=
May 26 08:35:04 imap(demo@example.org): Debug: acl: initializing backend with data: vfile
May 26 08:35:04 imap(demo@example.org): Debug: acl: acl username = demo@example.org
May 26 08:35:04 imap(demo@example.org): Debug: acl: owner = 1
May 26 08:35:04 imap(demo@example.org): Debug: acl vfile: Global ACL directory: (none)
May 26 08:35:04 imap(demo@example.org): Debug: Namespace : type=shared, prefix=Shared/%u/, sep=/, inbox=no, hidden=no, list=children, subscriptions=yes location=maildir:/%Lh/Maildir/:INDEX=/%Lh/Maildir/
Shared/%u
May 26 08:35:04 imap(demo@example.org): Debug: shared: root=/var/run/dovecot, index=, control=, inbox=, alt=
May 26 08:35:04 imap(demo@example.org): Debug: acl: initializing backend with data: vfile
May 26 08:35:04 imap(demo@example.org): Debug: acl: acl username = demo@example.org
May 26 08:35:04 imap(demo@example.org): Debug: acl: owner = 0
May 26 08:35:04 imap(demo@example.org): Debug: acl vfile: Global ACL directory: (none)
May 26 08:35:04 imap(demo@example.org): Debug: acl vfile: file /var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16//Maildir/.Drafts/dovecot-acl not found
May 26 08:35:04 imap(demo@example.org): Debug: acl vfile: file /var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16//Maildir/.Sent/dovecot-acl not found
May 26 08:35:04 imap(demo@example.org): Debug: acl vfile: file /var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16//Maildir/.Junk/dovecot-acl not found
May 26 08:35:04 imap(demo@example.org): Debug: acl vfile: file /var/vmail/vmail1/example.org/d/e/m/demo-2011.04.12.11.57.16//Maildir/.Trash/dovecot-acl not found
May 26 08:35:04 imap(demo@example.org): Info: Disconnected: Logged out in=195 out=893
May 26 08:37:04 auth: Debug: ldap(demo@example.org,127.0.0.1,<bh/HWvYWvgB/AAAB>): bind search: base=o=domains,dc=example,dc=org filter=(&(objectClass=mailUser)(accountStatus=active)(enabledS
ervice=mail)(enabledService=imapsecured)(|(mail=demo@example.org)(&(enabledService=shadowaddress)(shadowAddress=demo@example.org))))
May 26 08:37:04 auth: Info: ldap(demo@example.org,127.0.0.1,<bh/HWvYWvgB/AAAB>): invalid credentials (given password: demo-d3m0)
May 26 08:37:06 auth: Debug: client out: FAIL 1 user=demo@example.org
May 26 08:37:06 imap-login: Info: Disconnected (auth failed, 1 attempts in 2 secs): user=<demo@example.org>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured, session=<bh/HWvYWvgB/AAAB>
May 26 08:43:34 auth: Debug: ldap(demo@example.org,127.0.0.1,<09IBcvYWNAB/AAAB>): bind search: base=o=domains,dc=example,dc=org filter=(&(objectClass=mailUser)(accountStatus=active)(enabledS
ervice=mail)(enabledService=imapsecured)(|(mail=demo@example.org)(&(enabledService=shadowaddress)(shadowAddress=demo@example.org))))
May 26 08:43:34 auth: Debug: ldap(demo@example.org,127.0.0.1,<09IBcvYWNAB/AAAB>): result: mail=demo@example.org
May 26 08:43:34 auth: Info: ldap(demo@example.org,127.0.0.1,<09IBcvYWNAB/AAAB>): invalid credentials (given password: demo-d3m0)
May 26 08:43:36 auth: Debug: client out: FAIL 1 user=demo@example.org
May 26 08:43:36 imap-login: Info: Disconnected (auth failed, 1 attempts in 2 secs): user=<demo@example.org>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured, session=<09IBcvYWNAB/AAAB>