midb

Name

midb — Message Index database daemon

Synopsis

midb [-c config]

Description

midb is used by imap(8gx) and pop3(8gx) to generate and keep track of folder and message summaries. In particular, it enumerates messages to give them their IMAP UID and have at all times a suitable UIDNEXT value for folders ready. midb also caches the Message-Id, modification date, message flags, subject and sender to facilitate IMAP listings.

Options

-c config

Read configuration directives from the given file. If this option is not specified, /etc/gromox/midb.cfg will be read if it exists.

–version

Output version information and exit.

-?

Display option summary.

Configuration file directives

config_file_path
Colon-separated list of directories which will be scanned when locating further configuration files, especially those used by plugin instances.
Default: /etc/gromox/midb:/etc/gromox
console_server_ip
An IPv6 address (or v4-mapped address) to expose the management console frontend on.
Default: ::1
console_server_port
The TCP port number to expose the management console frontend on.
Default: 9900
data_file_path
Colon-separated list of directories which will be scanned when locating data files.
Default: /usr/share/gromox/midb
default_charset

Default: windows-1252

default_timezone

Default: (unspecified)

midb_cache_interval

Default: 30minutes

midb_cmd_debug
Log every incoming MIDB command and the return code of the operation in a minimal fashion to stderr. Level 1 emits commands with a failure return code, level 2 emits all commands.
Default: 0
midb_listen_ip
An IPv6 address (or v4-mapped address) for exposing the event service on.
Default: ::1
midb_listen_port
The TCP port number for exposing the event service on.
Default: 5555
midb_mime_number

Default: 4096

midb_table_size

Default: 5000

midb_threads_num
The minimum number of client processing threads to keep around.
Default: 100
notify_stub_threads_num

Default: 10

rpc_proxy_connection_num

Default: 10
service_plugin_list
Path to a text file which lists the filenames of service plugins to load, one per line.
Default: (unspecified)
service_plugin_path
Path to a secondary directory where service plugins will be loaded from if a primary search in standard directories (as per ld.so(8)) was unsuccessful.
Default: /usr/lib/gromox
sqlite_mmap_size
Default: 0 (use SQLite default)
sqlite_synchronous
Enables/disables synchronous mode for SQLite databases. See https://www.sqlite.org/pragma.html#pragma_synchronous for details.
Default: off
sqlite_wal_mode
Selects the particular journal mode for SQLite databases; off selects DELETE mode, on selects WAL mode. See https://www.sqlite.org/pragma.html#pragma_journal_mode for details.
Default: on
state_path
Directory for runtime variadic data.
Default: /var/lib/gromox
x500_org_name

Default: (unspecified)

Files

  • config_file_path/exmdb_list.txt: exmdb multiserver selection map.

  • config_file_path/midb_acl.txt: A file with one address (IPv6 or v4-mapped) per line of allowed clients. In its absence, ::1 is default-whitelisted.

  • /usr/lib/gromox/libgxs_*.so: service plugins

See also

gromox(7)