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

NAME
       doveadm-deduplicate - Expunge duplicate messages

SYNOPSIS
       doveadm  [GLOBAL  OPTIONS]  deduplicate [-u user | -A | -F file | --no-
       userdb-lookup] [-S socket_path] [-m] search_query

DESCRIPTION
       Deduplication across multiple mailboxes is not supported.

GLOBAL OPTIONS
       Global doveadm(1)

       -D

           Enables verbosity and debug messages.

       -O

           Do not read any config file, just use defaults.  The  dovecot_stor-
           age_version  setting  defaults  to  the  latest version, but can be
           overridden with

       -k

           Preserve entire environment for doveadm, not  just  import_environ-
           ment setting.

       -v

           Enables verbosity, including progress counter.

       -i instance-name

           If  using  multiple Dovecot instances, choose the config file based
           on this instance name.

           See instance_name setting for more information.

       -c config-file

           Read configuration from the given config-file. By default it  first
           reads  config  socket,  and  then  falls back to /etc/dovecot/dove-
           cot.conf. You can also point this to config socket of some instance
           running compatible version.

       -o setting=value

           Overrides  the configuration setting from /etc/dovecot/dovecot.conf
           and from the userdb with the given value. In order to override mul-
           tiple settings, the -o option may be specified multiple times.

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
           userdb_sql_iterate_query setting setting matches your database lay-
           out.

           When using the LDAP userdb module, make sure that the userdb_fields
           setting and userdb_ldap_iterate_fields setting settings match  your
           LDAP  schema.  Otherwise  doveadm(1) will be unable to iterate over
           all users.

       -F file

           Execute the command for all the users in the file. This is  similar
           to the -A option, but instead of getting the list of users from the
           userdb, they are read from the given file. The  file  contains  one
           username per line.

       --no-userdb-lookup

           Do  not perform userdb lookup. Use the USER environment variable to
           specify the username.

       -m

            option is given, doveadm(1) will deduplicate by Message-Id header.
           By default deduplication will be done by message GUIDs.

       -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.

       -u user/mask

           Run the command only for the given user. It's also possible to  use
           '*' and '?' wildcards (e.g. -u *@example.org).

ARGUMENTS
       search_query

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: https://dovecot.org/bugreport.html

SEE ALSO
       doveadm(1), doveadm-import(1)

78ffb79                           March 2025            DOVEADM-DEDUPLICATE(1)

Czas wygenerowania: 0.00010 sek.

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Unicode soft-hyphen fix (as used by RedHat) by Dan Edwards
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Caching idea and code contribution by James Richardson

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