- Adds "reply to" option to all mailers

- Replaces WPMail with Swift using local transport (PHP mail)
- Fixes AmazonSES region naming convention
- Updates tests

lib/Mailer/Methods/SMTP.php

@@ -10,21 +10,21 @@ class SMTP {
   public $login;
   public $password;
   public $encryption;
-  public $from_name;
-  public $from_email;
+  public $sender;
+  public $reply_to;
   public $mailer;
-  
+
   function __construct(
     $host, $port, $authentication, $login = null, $password = null, $encryption,
-    $from_email, $from_name) {
+    $sender, $reply_to) {
     $this->host = $host;
     $this->port = $port;
     $this->authentication = $authentication;
     $this->login = $login;
     $this->password = $password;
     $this->encryption = $encryption;
-    $this->from_name = $from_name;
-    $this->from_email = $from_email;
+    $this->sender = $sender;
+    $this->reply_to = $reply_to;
     $this->mailer = $this->buildMailer();
   }
 
@@ -50,11 +50,15 @@ class SMTP {
     return \Swift_Mailer::newInstance($transport);
   }
 
-
   function createMessage($newsletter, $subscriber) {
     $message = \Swift_Message::newInstance()
-      ->setFrom(array($this->from_email => $this->from_name))
       ->setTo($this->processSubscriber($subscriber))
+      ->setFrom(array(
+          $this->sender['from_email'] => $this->sender['from_name']
+        ))
+      ->setReplyTo(array(
+          $this->reply_to['reply_to_email'] =>  $this->reply_to['reply_to_name']
+        ))
       ->setSubject($newsletter['subject']);
     if(!empty($newsletter['body']['html'])) {
       $message = $message->setBody($newsletter['body']['html'], 'text/html');