Did you "purged" the deleted mails for this user? On mdbox you must run "doveadm purge -u $USER" to whipe out any as deleted marked mails etc.
Details: http://wiki2.dovecot.org/Tools/Doveadm/Purge I use a nightly cronjob wor this. Regards Urban Am 01.04.2015 um 23:26 schrieb Alexandros Soumplis: > Hello, > > I am using dovecot with mdbox+sis and I notice an ever increasing disk space > usage since I converted mailboxes from Maildir to mdboxes. I have checked > with a user and while it actually uses only 65K, his mdbox files on disk are > more than 6G. The backup of his mailbox is just 64K. Any suggestions ? > > Below are some relevant commands: > > [root@mail ~]# doveadm quota get -u test > Quota name Type Value Limit > % > User quota STORAGE 10135 31457280 > 0 > User quota MESSAGE 186 - > 0 > > [root@mail ~]# du -k --max-depth=1 /mdboxes/test/ > 220 /mdboxes/test/mailboxes > 6029348 /mdboxes/test/storage > 6029592 /mdboxes/test/ > > [root@mail ~]# doveadm purge -u test > [root@mail ~]# du -k --max-depth=1 /mdboxes/test/ > 220 /mdboxes/test/mailboxes > 6029348 /mdboxes/test/storage > 6029592 /mdboxes/test/ > > [root@mail ~]# doveadm backup -u test mdbox:/tmp/MDBOX_TEMP/ > [root@mail ~]# du -k --max-depth=1 /tmp/MDBOX_TEMP/ > 16 /tmp/MDBOX_TEMP/mailboxes > 65540 /tmp/MDBOX_TEMP/storage > 65568 /tmp/MDBOX_TEMP/ >
