From 492a7b7ed5881b827a48857cec2f315d155fddc8 Mon Sep 17 00:00:00 2001
From: Byron Jones <bjones@mozilla.com>
Date: Thu, 30 Aug 2012 16:35:18 +0800
Subject: Add x-generated-by header to bugmail

---
 Bugzilla/BugMail.pm | 5 +++++
 Bugzilla/Mailer.pm  | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/Bugzilla/BugMail.pm b/Bugzilla/BugMail.pm
index 521291380..696db5ceb 100644
--- a/Bugzilla/BugMail.pm
+++ b/Bugzilla/BugMail.pm
@@ -48,6 +48,7 @@ use Date::Parse;
 use Date::Format;
 use Scalar::Util qw(blessed);
 use List::MoreUtils qw(uniq firstidx);
+use Sys::Hostname;
 
 use constant BIT_DIRECT    => 1;
 use constant BIT_WATCHING  => 2;
@@ -465,6 +466,10 @@ sub _generate_bugmail {
 
     # TT trims the trailing newline, and threadingmarker may be ignored.
     my $email = new Email::MIME("$msg_header\n");
+
+    # For tracking/diagnostic purposes, add our hostname
+    $email->header_set('X-Generated-By' => hostname());
+
     if (scalar(@parts) == 1) {
         $email->content_type_set($parts[0]->content_type);
     } else {
diff --git a/Bugzilla/Mailer.pm b/Bugzilla/Mailer.pm
index 74c9010c2..d27f79155 100644
--- a/Bugzilla/Mailer.pm
+++ b/Bugzilla/Mailer.pm
@@ -49,6 +49,7 @@ use Encode::MIME::Header;
 use Email::Address;
 use Email::MIME;
 use Email::Send;
+use Sys::Hostname;
 
 sub MessageToMTA {
     my ($msg, $send_now) = (@_);
@@ -142,6 +143,12 @@ sub MessageToMTA {
         }
     }
 
+    # For tracking/diagnostic purposes, add our hostname
+    my $generated_by = $email->header('X-Generated-By') || '';
+    if ($generated_by =~ tr/\/// < 3) {
+        $email->header_set('X-Generated-By' => $generated_by . '/' . hostname() . "($$)");
+    }
+
     if ($method eq "SMTP") {
         push @args, Host  => Bugzilla->params->{"smtpserver"},
                     username => Bugzilla->params->{"smtp_username"},
-- 
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