From 59c61062432586b4c1549aa4a5da060afac7dd0b Mon Sep 17 00:00:00 2001
From: Hillel Coren <hillelcoren@gmail.com>
Date: Mon, 11 Apr 2016 15:45:30 +0300
Subject: [PATCH] Fix HTML email when using attachments

---
 src/Postmark/Transport.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Postmark/Transport.php b/src/Postmark/Transport.php
index 236395d..040d5d9 100644
--- a/src/Postmark/Transport.php
+++ b/src/Postmark/Transport.php
@@ -161,6 +161,7 @@ private function processMessageParts(&$payload, $message) {
 		switch ($message->getContentType()) {
 			case 'text/html':
 			case 'multipart/alternative':
+			case 'multipart/mixed':
 				$payload['HtmlBody'] = $message->getBody();
 				break;
 			default: