From e2fd07aa8492e24edc41974256aed7a9d309b050 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20=C3=96sterreicher?= <oesi@technikum-wien.at>
Date: Tue, 25 Sep 2018 14:41:13 +0200
Subject: [PATCH] - Added E-Mail Header Precedence:bulk and Auto-submitted:
 auto-generated to CI Mail Lib - Sancho Mails are sent now with the new Mail
 Headers

---
 application/helpers/hlp_sancho_helper.php | 2 +-
 application/libraries/MailLib.php         | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/application/helpers/hlp_sancho_helper.php b/application/helpers/hlp_sancho_helper.php
index c788f1bbf..f063365ec 100644
--- a/application/helpers/hlp_sancho_helper.php
+++ b/application/helpers/hlp_sancho_helper.php
@@ -66,7 +66,7 @@ function sendSanchoMail($vorlage_kurzbz, $vorlage_data, $to, $subject, $headerIm
 	$body = _parseMailContent('Sancho_Mail_Template', $layout);
 
 	// Send mail
-	$ci->maillib->send('sancho@'. DOMAIN, $to, $subject, $body);
+	$ci->maillib->send('sancho@'. DOMAIN, $to, $subject, $body, $alias = '', $cc = null, $bcc = null, $altMessage = '', $bulk = true, $autogenerated = true);
 }
 
 /**
diff --git a/application/libraries/MailLib.php b/application/libraries/MailLib.php
index 0871273b5..6d0a48f73 100644
--- a/application/libraries/MailLib.php
+++ b/application/libraries/MailLib.php
@@ -19,7 +19,7 @@ class MailLib
 	 * Class constructor
 	 */
 	public function __construct()
-    {
+	{
 		// Set the counter to 0
 		$this->sended = 0;
 
@@ -46,7 +46,7 @@ class MailLib
 	/**
 	 * Sends a single email
 	 */
-	public function send($from, $to, $subject, $message, $alias = '', $cc = null, $bcc = null, $altMessage = '')
+	public function send($from, $to, $subject, $message, $alias = '', $cc = null, $bcc = null, $altMessage = '', $bulk = false, $autogenerated = false)
 	{
 		// If from is not specified then use the standard one
 		if (is_null($from) || $from == '')
@@ -90,6 +90,11 @@ class MailLib
 		$this->ci->email->message($message);
 		if (!isEmptyString($altMessage)) $this->ci->email->set_alt_message($altMessage);
 
+		if($bulk)
+			$this->ci->email->set_header('Precedence', 'bulk');
+		if($autogenerated)
+			$this->ci->email->set_header('Auto-Submitted', 'auto-generated');
+
 		// Avoid printing on standard output ugly error messages
 		$result = @$this->ci->email->send();