- u -

• u : HEADER_TOKEN , MBLOCK , RECIPIENT
• uid : DICT_OWNER , pipe_args , PIPE_ATTR , SM_STATE , spawn_args , SPAWN_ATTR , USER_ATTR , VSTREAM_POPEN_ARGS
• unk_macros : MILTER_MACROS
• unknown_event : MILTER
• unmatched : DELIVER_ATTR
• upd_header : MILTERS
• upd_log_stamp : DICT_CACHE
• update : DICT , DICT_UTF8_BACKUP
• use_count : MASTER_PROC
• used : BINHASH , ctable , HTABLE , INET_ADDR_LIST
• user : DELIVER_ATTR
• user_flags : DICT_CACHE
• user_realm : XSASL_SERVER_CREATE_ARGS
• usr_attr : LOCAL_EXP
• utf8_backup : DICT
• utf8_flags : POST_MAIL_STATE