GREPLYTO
#define GMASK (GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO)
GTO|GSUBJECT|GCC|GREPLYTO|GINREPLYTO|GNL);
GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO|GNL|GCOMMA);
if (hp->h_replyto != NULL && w & GREPLYTO)