DOVEADM-DEDUPLICATE(1) Dovecot DOVEADM-DEDUPLICATE(1) (NAME) doveadm-deduplicate - (SYNOPSIS) doveadm [GLOBAL OPTIONS] deduplicate [-u user | -A | -F file | --no- userdb-lookup] [-S socket_path] [-m] search_query (DESCRIPTION) . doveadm deduplicate doveadm copy doveadm import . doveadm(1) . . (GLOBAL OPTIONS) doveadm(1): -D (verbosity) (debug) . -O . dovecot_storage_version -o . -k doveadm import_environment . -v . -i instance-name Dovecot . instance_name . -c config-file config-file . /etc/dovecot/dovecot.conf . . -o setting=value (setting) /etc/dovecot/dovecot.conf userdb (value) . -o . (OPTIONS) -A -A (command) . userdb { driver = passwd } UID first_valid_uid . SQL userdb userdb_sql_iterate_query . LDAP userdb userdb_fields userdb_ldap_iterate_fields (schema) LDAP . doveadm(1) . -F file (command) file . -A userdb file . file . --no-userdb-lookup userdb . USER . -m -m doveadm(1) Message-Id . (GUID) . -S socket_path (UNIX domain socket) (hostname:port) TCP. doveadm(1) . -u user/mask (command) user . (wildcards) <<*>> <> ( -u *@example.org). (ARGUMENTS) search_query . 'mailbox mailbox_name OR mailbox other_box' . doveadm- search-query(7) . (EXAMPLES) . 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 (BUGS) doveconf -n Dovecot . : (SEE ALSO) doveadm(1), doveadm-import(1) e5ac02a May 2026 DOVEADM-DEDUPLICATE(1)