Support reply-to header

Author: scardinius

src/Messaging/Mail/MailBag.php

@@ -17,6 +17,11 @@ class MailBag implements \JsonSerializable
      */
     private $from;
 
+    /**
+     * @var From Reply-To
+     */
+    private $replyTo;
+
     /**
      * @var string
      */
@@ -63,6 +68,15 @@ public function setFrom(string $fromEmail, string $fromName): void
         $this->from = new From(new Email($fromEmail), $fromName);
     }
 
+    /**
+     * @param string $replyToEmail
+     * @param string $replyToName
+     */
+    public function setReplyTo(string $replyToEmail, string $replyToName): void
+    {
+        $this->replyTo = new From(new Email($replyToEmail), $replyToName);
+    }
+
     /**
      * @param mixed $subject
      */
@@ -165,6 +179,22 @@ public function getFromName(): string
         return $this->from->getName();
     }
 
+    /**
+     * @return string
+     */
+    public function getReplyToEmail(): string
+    {
+        return $this->replyTo->getEmail();
+    }
+
+    /**
+     * @return string
+     */
+    public function getReplyToName(): string
+    {
+        return $this->replyTo->getName();
+    }
+
     /**
      * @return string
      */
@@ -253,6 +283,7 @@ private function getContent(ContentType $contentType): ?Content
 
         return null;
     }
+
     /**
      * @return array
      */
@@ -302,6 +333,18 @@ function jsonSerialize(): array
             'recipients' => $recipients
         ];
 
+        $replyTo = [];
+        if ($this->getReplyToEmail()) {
+            $replyTo['email'] = $this->getReplyToEmail();
+            if ($this->getReplyToName()) {
+                $replyTo['name'] = $this->getReplyToName();
+            }
+        }
+
+        if ($replyTo) {
+            $data['replyTo'] = $replyTo;
+        }
+
         if ($contents) {
             $data['contents'] = $contents;
         }