use a specific and more relevant status message for failed smarthost

resolution.

ok gilles@

diff --git a/usr.sbin/smtpd/mta.c b/usr.sbin/smtpd/mta.c
index 76e0be8..c593bdc 100644 (file)
--- a/usr.sbin/smtpd/mta.c
+++ b/usr.sbin/smtpd/mta.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: mta.c,v 1.228 2019/06/14 19:55:25 eric Exp $  */
+/*     $OpenBSD: mta.c,v 1.229 2019/08/19 15:42:24 eric Exp $  */
 
 /*
  * Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
@@ -1005,7 +1005,10 @@ mta_on_mx(void *tag, void *arg, void *data)
                break;
        case DNS_ENOTFOUND:
                relay->fail = IMSG_MTA_DELIVERY_TEMPFAIL;
-               relay->failstr = "No MX found for domain";
+               if (relay->domain->as_host)
+                       relay->failstr = "Host not found";
+               else
+                       relay->failstr = "No MX found for domain";
                break;
        default:
                fatalx("bad DNS lookup error code");