Alias header * alias expansion options

Alias options:  and
The  and    alias options are Unified Configuration analogues of the &#x5b;HEADER_ALIAS&#x5d; and &#x5b;HEADER_EXPANSION&#x5d; alias file named parameters. Because their effect is limited to cases such as messages submitted via the L channel, they have almost no relevance in modern Messaging Server configuration.

See also:
 * Alias options
 * Alias file named parameters