From 9e7f6444384c0990b89dda0ead7926b6307b960a Mon Sep 17 00:00:00 2001
From: Dylan William Hardison <dylan@hardison.net>
Date: Tue, 26 Jun 2018 16:49:07 -0400
Subject: Bug 1471304 - Block sending mail to hosts that end with .tld or .bugs

---
 Bugzilla/Mailer.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'Bugzilla/Mailer.pm')

diff --git a/Bugzilla/Mailer.pm b/Bugzilla/Mailer.pm
index 1b77e5063..c9a458b47 100644
--- a/Bugzilla/Mailer.pm
+++ b/Bugzilla/Mailer.pm
@@ -190,11 +190,16 @@ sub MessageToMTA {
         my @recipients = Email::Address->parse($to);
         die qq{Unable to parse "To:" address - $to\n} unless @recipients;
         die qq{Did not expect more than one "To:" address in $to\n} if @recipients > 1;
-        my $badhosts = Bugzilla::Bloomfilter->lookup("badhosts") or die "No badhosts bloomfilter\n";
-        if ($badhosts->test($recipients[0]->host)) {
+        my $recipient = $recipients[0];
+        my $badhosts  = Bugzilla::Bloomfilter->lookup("badhosts");
+        if ($badhosts && $badhosts->test($recipient->host)) {
             WARN("Attempted to send email to address in badhosts: $to");
             $email->header_set(to => '');
         }
+        elsif ($recipient->host =~ /\.(?:bugs|tld)$/) {
+            WARN("Attempted to send email to fake address: $to");
+            $email->header_set(to => '');
+        }
     } catch {
         ERROR($_);
     };
-- 
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