From 3cfadeb16266eeac9c1bfb15ae07a2bf4b12cc23 Mon Sep 17 00:00:00 2001
From: David Oliver <david@doliver.co.uk>
Date: Wed, 22 Jan 2014 18:19:01 +0100
Subject: [PATCH] Ensure Content-ID is set for attachments

Allows `<img src="cid:foobar"/>` in HTML messages to work.
---
 Lib/Network/Email/PostmarkTransport.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Lib/Network/Email/PostmarkTransport.php b/Lib/Network/Email/PostmarkTransport.php
index 370d0fd..b828586 100644
--- a/Lib/Network/Email/PostmarkTransport.php
+++ b/Lib/Network/Email/PostmarkTransport.php
@@ -159,6 +159,7 @@ private function __buildAttachments() {
 			$attachments[$i]['Name'] = $fileName;
 			$attachments[$i]['Content'] = $data;
 			$attachments[$i]['ContentType'] = $fileInfo['mimetype'];
+			$attachments[$i]['ContentId'] = $fileInfo['contentId'];
 
 			$i++;
 		}