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ctl_mboxlist - Cyrus IMAP documentation

Perform operations on the mailbox list database

ctl_mboxlist [ -C config-file ] -d [ -x ] [-y] [ -p partition ] [ -f filename ]
ctl_mboxlist [ -C config-file ] -u [ -f filename ]
ctl_mboxlist [ -C config-file ] -m [ -a ] [ -w ] [ -i ] [ -f filename ]
ctl_mboxlist [ -C config-file ] -v [ -f filename ]

ctl_mboxlist is used to perform various administrative operations on the mailbox list database.

ctl_mboxlist reads its configuration options out of the imapd.conf(5) file unless specified otherwise by -C. The configdirectory option in imapd.conf(5) is used to determine the default location of the mailboxes database.

-C config-file
Use the specified configuration file config-file rather than the default imapd.conf(5).

Dump the contents of the database to standard output in a portable flat-text format. NOTE: In Cyrus versions 2.2.13 and earlier, the dump format did not include the mailbox type flags, breaking remote mailboxes (frontends, mupdate master, unified backends) when undumped.

When performing a dump, remove the mailboxes dumped from the mailbox list (mostly useful when specified with -p).

When performing a dump, also list intermediary mailboxes which would be hidden from IMAP.

-p partition
When performing a dump, dump only those mailboxes that live on partition.

-f filename
Use the database specified by filename instead of the default (configdirectory/mailboxes.db*).

Load the contents of the database from standard input. The input MUST be in the format output by the -d option.


Both the old and new formats can be loaded, but the old format will break remote mailboxes.

For backend servers in the Cyrus Murder, synchronize the local mailbox list file with the MUPDATE server.

When used with -m, assume the local mailboxes file is authoritative, that is, only change the mupdate server, do not delete any local mailboxes.


USE THIS OPTION WITH CARE, as it allows namespace collisions into the murder.

When used with -m, print out what would be done but do not perform the operations.

When used with -m, asks for verification before deleting local mailboxes.

Verify the consistency of the mailbox list database and the spool partition(s). Mailboxes present in the database and not located on a spool partition, and those located on a spool partition (directory containing a valid cyrus.header file) and not present in the database will be reported. Note that this function is very I/O intensive.

ctl_mboxlist -d
Dump the mailboxes list in portable text format.

ctl_mboxlist -u < newmboxlist.dump
Undump (restore) the mailboxes database from newmboxlist.dump, a portable text formatted file.

ctl_mboxlist -m
Synchronize our mailboxes database with the MUPDATE server. (One may commonly put a command like this into the START section of cyrus.conf(5) on backend nodes of a Murder cluster to cause the backend to synchronize its mailbox list with the mupdate master upon startup).

ctl_mboxlist -m -w
The same as above, but only show us what would be done, don’t actually do it.

ctl_mboxlist -m -a
Populate the Mupdate server from our copy of the mailboxes database.


Be very careful with this option, as it can create conflicts in the Murder.

ctl_mboxlist -m -i
Synchronize our mailboxes database with the MUPDATE server interactively, asking for verification before deleting any local mailboxes.

/etc/imapd.conf, <configdirectory>/mailboxes.db

imapd.conf(5), master(8)

The Cyrus Team, Nic Bernstein (Onlight), Jeroen van Meeuwen (Kolab Systems)

1993-2018, The Cyrus Team
February 2, 2022 3.4.3

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