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Mailbox size in Plesk UI differs from the actual size on disk

Plesk Agent shadow

Updated April 05, 2023 03:53

Plesk for Linux kb: technical

Applicable to:

Plesk for Linux

Symptoms

Mailbox shows the incorrect size in Plesk UI that differs from the size of the directory /var/qmail/mailnames/example.com/jdoe
The file /var/qmail/mailnames/example.com/jdoe/Maildir/maildirsize contains wrong data about the size of the mailbox
Mailbox directory/var/qmail/mailnames/example.com/jdoe/Maildir contains one or several folders started with ".INBOX"

Cause

Invalid mailbox subfolders. Mailbox contains several ".INBOX" folders resulted in Dovecot calculating disk usage several times.

Resolution

Rename INBOX folders in the mail client.

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