Alias database

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The MTA's alias database, seldom used nowadays, provided an additional location for storing large numbers of aliases, supplementing the the alias options (Unified Configuration) or alias file (legacy configuration). Nowadays, with "Direct LDAP" configuration, the majority of aliases are normally stored in LDAP.

The use_alias_database MTA option controls whether or not the MTA makes use of the alias database. The default is 1, so the mere presence of the alias database activates the MTA's use of it as a source of aliases.

See also: