NAME¶
doveadm-deduplicate - expunge duplicate messages
SYNOPSIS¶
doveadm [
-Dv]
deduplicate [
-u user|
-A]
[
-S socket_path] [
-m]
search_query
DESCRIPTION¶
This command is used to expunge duplicated messages in mailboxes.
doveadm
deduplicate is mainly useful to revert some (more or less) accidental
duplication of messages, e.g. after
doveadm copy or
doveadm
import.
doveadm(1) will delete the newest duplicated messages from
the mailbox and keep the oldest.
Deduplication across multiple mailboxes is not supported.
OPTIONS¶
Global
doveadm(1) options:
- -D
- Enables verbosity and debug messages.
- -v
- Enables verbosity, including progress counter.
Command specific
options:
- -A
- If the -A option is present, the command will be performed
for all users. Using this option in combination with system users from
userdb { driver = passwd } is not recommended, because it contains
also users with a lower UID than the one configured with the
first_valid_uid setting.
When the SQL userdb module is used make sure that the iterate_query
setting in /etc/dovecot/dovecot-sql.conf.ext matches your database
layout. When using the LDAP userdb module, make sure that the
iterate_attrs and iterate_filter settings in
/etc/dovecot/dovecot-ldap.conf.ext match your LDAP schema.
Otherwise doveadm(1) will be unable to iterate over all users.
- -S socket_path
- The option's argument is either an absolute path to a local UNIX domain
socket, or a hostname and port (hostname:port), in order to
connect a remote host via a TCP socket.
This allows an administrator to execute doveadm(1) mail commands
through the given socket.
- -m
- if the -m option is given, doveadm(1) will deduplicate by
Message-Id header. By default deduplication will be done by message
GUIDs.
- -u user/mask
- Run the command only for the given user. It's also possible
to use '*' and '?' wildcards (e.g. -u *@example.org).
When neither the -A option nor -u user was
specified, the command will be executed with the environment of the
currently logged in user.
ARGUMENTS¶
- search_query
- expunge duplicates found from messages matching the given search query.
Typically a search query like ' mailbox mailbox_name OR
mailbox other_box' will be sufficient. See
doveadm-search-query(7) for details.
EXAMPLE¶
This example shows how to list and expunge duplicate messages from a mailbox.
doveadm -f table fetch -u jane 'guid uid' mailbox a_Box | sort
guid uid
8aad0f0a30169f4bea620000ca356bad 18751
8aad0f0a30169f4bea620000ca356bad 18756
923e301ab9219b4b4f440000ca356bad 18748
923e301ab9219b4b4f440000ca356bad 18753
...
doveadm deduplicate -u jane mailbox a_Box
doveadm -f table fetch -u jane 'guid uid' mailbox a_Box | sort
guid uid
8aad0f0a30169f4bea620000ca356bad 18751
923e301ab9219b4b4f440000ca356bad 18748
a7999e1530739c4bd26d0000ca356bad 18749
...
REPORTING BUGS¶
Report bugs, including
doveconf -n output, to the Dovecot Mailing List
<dovecot@dovecot.org>. Information about reporting bugs is available at:
http://dovecot.org/bugreport.html
SEE ALSO¶
doveadm(1),
doveadm-copy(1),
doveadm-fetch(1),
doveadm-import(1),
doveadm-search-query(7)