doveadm-deduplicate man page on Oracle

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DOVEADM-DEDUPLICATE(1)		    Dovecot		DOVEADM-DEDUPLICATE(1)

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	 iter‐
	      ate_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.  Oth‐
	      erwise 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  Mes‐
	      sage-Id  header.	 By default deduplication will be done by mes‐
	      sage 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 com‐
	      mand 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)

Dovecot v2.2			  2013-08-03		DOVEADM-DEDUPLICATE(1)
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