EF_NORECEIPT
ee->e_flags |= EF_NORECEIPT;
e->e_flags |= EF_NORECEIPT;
{ "NORECEIPT", EF_NORECEIPT },
(RrtImpliesDsn || bitset(EF_NORECEIPT, e->e_flags)))
ee->e_flags |= EF_NORECEIPT; /* XXX really? */