Symbol: DLVR_NOTIFY
usr/src/cmd/sendmail/src/sendmail.h
974
#define IS_DLVR_NOTIFY(e) (((e)->e_dlvr_flag & DLVR_NOTIFY) != 0)
usr/src/cmd/sendmail/src/srvrsmtp.c
4400
e->e_dlvr_flag = DLVR_NOTIFY;