Call setPartsToBody reliably to fix issue #5

Mail/Message.php

@@ -239,6 +239,7 @@ public function setReplyTo($replyToAddress)
 	 */
 	public function getRawMessage()
 	{
+		$this->setPartsToBody();
 		return $this->zendMessage->toString();
 	}
 
@@ -249,4 +250,4 @@ public function setMessageType($type)
 	{
 		return $this;
 	}
-}
+}

Model/MailEvent.php

@@ -128,7 +128,6 @@ public function dispatch(Message $message)
             foreach ($this->dataHelper->getBccTo($storeId) as $email) {
                 $message->addBcc(trim($email));
             }
-            $message->setPartsToBody();
         }
 
         $this->mail->setTemplateVars(null);