root@mail:~# less /var/log/mail.info | grep 'Nov 30 16:21'
Nov 30 16:21:02 mail cyrus/imaps[8078]: starttls: TLSv1 with cipher RC4-MD5 (128/128 bits new) no authentication
Nov 30 16:21:03 mail cyrus/imaps[8078]: login: [192.168.12.155] klaus@medianetzwerk.de PLAIN+TLS User logged in
Nov 30 16:21:03 mail cyrus/imaps[8078]: client id: "name" "Bynari Insight Connector" "vendor" "Bynari, Inc." "version" "4.0.8-1006670" "lang" "de_DE"
Nov 30 16:21:03 mail cyrus/imaps[8078]: IOERROR: opening /var/spool/cyrus/mail/domain/m/medianetzwerk.de/k/user/klaus/Posteingang/cyrus.header: No such file or directory
Nov 30 16:21:23 mail cyrus/imaps[8078]: starttls: TLSv1 with cipher RC4-MD5 (128/128 bits new) no authentication
Nov 30 16:21:23 mail cyrus/imaps[8078]: login: [192.168.12.155] klaus@medianetzwerk.de PLAIN+TLS User logged in
Nov 30 16:21:23 mail cyrus/imaps[8078]: client id: "name" "Bynari Insight Connector" "vendor" "Bynari, Inc." "version" "4.0.8-1006670" "lang" "de_DE"
Nov 30 16:21:23 mail cyrus/imaps[8078]: IOERROR: opening /var/spool/cyrus/mail/domain/m/medianetzwerk.de/k/user/klaus/Posteingang/cyrus.header: No such file or directory
Nov 30 16:21:33 mail cyrus/imaps[8078]: starttls: TLSv1 with cipher RC4-MD5 (128/128 bits new) no authentication
Nov 30 16:21:33 mail cyrus/imaps[8078]: login: [192.168.12.155] klaus@medianetzwerk.de PLAIN+TLS User logged in
Nov 30 16:21:34 mail cyrus/imaps[8078]: client id: "name" "Bynari Insight Connector" "vendor" "Bynari, Inc." "version" "4.0.8-1006670" "lang" "de_DE"
Nov 30 16:21:34 mail cyrus/imaps[8078]: IOERROR: opening /var/spool/cyrus/mail/domain/m/medianetzwerk.de/k/user/klaus/Posteingang/cyrus.header: No such file or directory


root@mail:~# ls -la /var/spool/cyrus/mail/domain/m/medianetzwerk.de/k/user/klaus/
insgesamt 100
drwx------ 16 cyrus mail 4096 30. Nov 15:59 .
drwx------  3 cyrus mail 4096  2. Nov 16:39 ..
-rw-------  1 cyrus mail 3749  2. Nov 16:49 1.
-rw-------  1 cyrus mail 3750  2. Nov 16:59 2.
-rw-------  1 cyrus mail 3750  2. Nov 17:19 3.
-rw-------  1 cyrus mail 3848  2. Nov 17:26 4.
-rw-------  1 cyrus mail 3833 30. Nov 15:51 5.
drwx------  2 cyrus mail 4096  2. Nov 16:51 Aufgaben
-rw-------  1 cyrus mail 5724 30. Nov 15:51 cyrus.cache
-rw-------  1 cyrus mail  195  2. Nov 16:47 cyrus.header
-rw-------  1 cyrus mail  376 30. Nov 15:51 cyrus.index
drwx------  2 cyrus mail 4096  2. Nov 17:26 Entw&APw-rfe
drwx------  2 cyrus mail 4096  2. Nov 16:55 Gel&APY-schte Objekte
drwx------  2 cyrus mail 4096 30. Nov 15:51 Gesendete Objekte
drwx------  2 cyrus mail 4096  2. Nov 16:55 Ham
drwx------  2 cyrus mail 4096  2. Nov 16:51 Journal
drwx------  2 cyrus mail 4096  2. Nov 16:55 Junk E-mail
drwx------  2 cyrus mail 4096 30. Nov 16:07 Kalender
drwx------  2 cyrus mail 4096 30. Nov 15:50 Kontakte
drwx------  2 cyrus mail 4096  2. Nov 16:51 Notizen
drwx------  2 cyrus mail 4096 30. Nov 15:51 Postausgang
drwx------  2 cyrus mail 4096  2. Nov 17:25 RSS-Feeds
drwx------  2 cyrus mail 4096  2. Nov 17:26 Sent
drwx------  2 cyrus mail 4096  2. Nov 16:55 Spam