diff --git a/webtools/bugzilla/defparams.pl b/webtools/bugzilla/defparams.pl
index 6760d4ddbdac..695bd2c9c964 100644
--- a/webtools/bugzilla/defparams.pl
+++ b/webtools/bugzilla/defparams.pl
@@ -261,6 +261,10 @@ DefParam("shutdownhtml",
          "l",
          "");
 
+DefParam("sendmailnow",
+         "If this is on, Bugzilla will tell sendmail to send any e-mail immediately. If you have a large number of users with a large amount of e-mail traffic, enabling this option may dramatically slow down Bugzilla. Best used for smaller installations of Bugzilla.",
+         "b",
+         0);
 
 DefParam("passwordmail",
 q{The email that gets sent to people to tell them their password.  Within
diff --git a/webtools/bugzilla/processmail b/webtools/bugzilla/processmail
index 35ecb2b75d8d..6004f66326ce 100755
--- a/webtools/bugzilla/processmail
+++ b/webtools/bugzilla/processmail
@@ -584,7 +584,12 @@ sub NewProcessOnePerson ($$\@\%\%\%$$$$) {
     my $template = Param("newchangedmail");
     
     my $msg = PerformSubsts($template, \%substs);
-    open(SENDMAIL, "|/usr/lib/sendmail -ODeliveryMode=deferred -t") ||
+
+    my $sendmailparam = "-ODeliveryMode=deferred";
+    if (Param("sendmailnow")) {
+       my $sendmailparam = "";
+    }
+    open(SENDMAIL, "|/usr/lib/sendmail $sendmailparam -t") ||
       die "Can't open sendmail";
     
     print SENDMAIL trim($msg) . "\n";
@@ -647,8 +652,12 @@ sub ProcessOneBug {
             if (!$regenerate) {
                 # Note: fixaddresses may result in a Cc: only.  This seems
                 # harmless.
+                my $sendmailparam = "-ODeliveryMode=deferred";
+                if (Param("sendmailnow")) {
+                    my $sendmailparam = "";
+                }
                 open(SENDMAIL, 
-                     "|/usr/lib/sendmail -ODeliveryMode=deferred -t") ||
+                     "|/usr/lib/sendmail $sendmailparam -t") ||
                        die "Can't open sendmail";
 
                 print SENDMAIL $msg;