diff --git a/src/HazzelForms/HazzelForm.php b/src/HazzelForms/HazzelForm.php
index ffabb43..5579b76 100644
--- a/src/HazzelForms/HazzelForm.php
+++ b/src/HazzelForms/HazzelForm.php
@@ -437,16 +437,16 @@ private function setToken() {
      * @throws Exception
      */
     public function sendMail($to, $from, $replyTo = '', $senderName = 'HazzelForms', $subject = 'New HazzelForms Message', $template = 'basic') {
-        if (empty($replyTo)) {
-            $replyTo = $from;
-        }
 
         if ($this->mailer != null) {
             // use PHPMailer instance and override default settings
-            $this->mailer->isHTML(true);
-            $this->mailer->addAddress($to);
             $this->mailer->setFrom($from, $senderName);
-            $this->mailer->addReplyTo($replyTo);
+            $this->mailer->addAddress($to);
+            if(!empty($replyTo)){
+                $this->mailer->addReplyTo($replyTo);
+            }
+
+            $this->mailer->isHTML(true);
             $this->mailer->CharSet = 'UTF-8';
             $this->mailer->Subject = $subject;
             $this->mailer->AltBody = $subject;
diff --git a/src/HazzelForms/LegacyMailer.php b/src/HazzelForms/LegacyMailer.php
index a828afe..4d8c49e 100644
--- a/src/HazzelForms/LegacyMailer.php
+++ b/src/HazzelForms/LegacyMailer.php
@@ -8,9 +8,6 @@
 class LegacyMailer
 {
     protected $to;
-    protected $from;
-    protected $replyTo;
-    protected $senderName;
     protected $subject;
     protected $headers = [];
     protected $message = '';
@@ -23,9 +20,6 @@ class LegacyMailer
     public function __construct($to, $from, $replyTo, $senderName, $subject, $template, $lang)
     {
         $this->to = $to;
-        $this->from = $from;
-        $this->replyTo = $replyTo;
-        $this->senderName = $senderName;
         $this->subject = $subject;
         $this->lang = $lang;
 
@@ -38,7 +32,9 @@ public function __construct($to, $from, $replyTo, $senderName, $subject, $templa
 
         // define headers
         $this->headers[] = "From: $senderName" . " <" . $from . ">";
-        $this->headers[] = "Reply-To: " . $replyTo;
+        if(!empty($replyTo)){
+            $this->headers[] = "Reply-To: " . $replyTo;
+        }
         $this->headers[] = "MIME-Version: 1.0";
         $this->headers[] = "Content-Type: multipart/mixed; boundary=\"{$this->mimeBoundary}\"";
         $this->returnPath = "-f" . $from;