The mailboxes table
The name of the mailbox.
# of Messages
The number of messages for the address or in the mailbox folder.
The amount of disk usage each address or mailbox uses, in bytes, KB, MB, or GB.
If available, click Manage (Search Query Format documentation.) to remove messages from the mailbox. You can remove messages that are 1 year old or more, 30MB in size or more, Previously viewed, All messages, or enter a custom Dovecot query. For more information about Dovecot queries, read Dovecot's