This is dependent on local needs. By default, this option is set to 1 . Set this to NONE to omit such a link. Set it to NONE to ommit such an entry. Set this to NONE to omit such a link.
Output goes to standard output.
If this is set to 0 no reply links are generated. Set to 0 if you don't. By default such messages are discarded. They are quietly ignored and are not processed.