diff --git a/Changes b/Changes
index e492c3c..8b02d84 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,9 @@
+0.31 -
+
+  when disconncting with a temporary failure, return 421 rather than
+  450 or 451. (Peter J. Holzer)
+
+
 0.30 - 2005/07/05
 
   Add plugable logging support include sample plugin which replicates
diff --git a/lib/Qpsmtpd.pm b/lib/Qpsmtpd.pm
index 1ce4fbd..382aea7 100644
--- a/lib/Qpsmtpd.pm
+++ b/lib/Qpsmtpd.pm
@@ -5,7 +5,7 @@ use vars qw($VERSION $Logger $TraceLevel $Spool_dir);
 use Sys::Hostname;
 use Qpsmtpd::Constants;
 
-$VERSION = "0.30";
+$VERSION = "0.31-dev";
 
 sub version { $VERSION };
 
diff --git a/lib/Qpsmtpd/SMTP.pm b/lib/Qpsmtpd/SMTP.pm
index 8aac8d2..f8af97f 100644
--- a/lib/Qpsmtpd/SMTP.pm
+++ b/lib/Qpsmtpd/SMTP.pm
@@ -272,7 +272,7 @@ sub mail {
     elsif ($rc == DENYSOFT_DISCONNECT) {
       $msg ||= $from->format . ', temporarily denied';
       $self->log(LOGINFO, "denysoft mail from " . $from->format . " ($msg)");
-      $self->respond(450, $msg);
+      $self->respond(421, $msg);
       $self->disconnect;
     }
     else { # includes OK
@@ -316,7 +316,7 @@ sub rcpt {
   elsif ($rc == DENYSOFT_DISCONNECT) {
     $msg ||= 'relaying denied';
     $self->log(LOGINFO, "delivery denied ($msg)");
-    $self->respond(450, $msg);
+    $self->respond(421, $msg);
     $self->disconnect;
   }
   elsif ($rc == OK) {
@@ -413,7 +413,7 @@ sub data {
     return 1;
   }
   elsif ($rc == DENYSOFT_DISCONNECT) {
-    $self->respond(451, $msg || "Message denied temporarily");
+    $self->respond(421, $msg || "Message denied temporarily");
     $self->disconnect;
     return 1;
   }