message-use-mail-followup-to

message-use-mail-followup-to is a variable defined in `message.el'.
Its value is

use

Documentation:
*Specifies what to do with Mail-Followup-To header.
If nil, always ignore the header. If it is the symbol `ask', always
query the user whether to use the value. If it is the symbol `use',
always use the value.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 22.1 of Emacs.