F_SMTPS
listen_opts.ssl = F_SMTPS;
listen_opts.ssl = F_SMTPS|F_TLS_VERIFY;
if (lo->ssl & F_SMTPS) {
lo->flags = F_SMTPS|lo->auth|flags;
if (s->listener->flags & F_SMTPS) {
if (s->listener->flags & F_SMTPS)
if (s->flags & SF_SECURE && s->listener->flags & F_SMTPS)
#define F_SSL (F_STARTTLS | F_SMTPS)