Exproute_forward MTA option
Alias and address MTA options:
exproute_forward (0 or 1)
exproute_forward MTA option controls the application of the
exproute channel option to forward-pointing (To:, Cc:, and Bcc: lines) addresses in the message header. A value of 1 is the default and specifies that
exproute should affect forward-pointing header addresses. A value of 0 disables the action of the
exproute channel option on forward-pointing addresses.