diff --git a/.gitignore b/.gitignore
index bc959c5..55b86aa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 /composer.lock
 /phpunit.xml
 /vendor
+/.phpunit.result.cache
+/clover.xml
diff --git a/src/Mailer/Transport/MailgunTransport.php b/src/Mailer/Transport/MailgunTransport.php
index 7a0eac6..3efe58c 100644
--- a/src/Mailer/Transport/MailgunTransport.php
+++ b/src/Mailer/Transport/MailgunTransport.php
@@ -333,6 +333,10 @@ protected function _prepareEmailAddresses(Email $email)
             $this->_formData->add('from', sprintf("%s <%s>", key($from), key($from)));
         }
 
+        foreach ($email->getSender() as $senderEmail => $senderName) {
+            $this->_formData->add('h:Sender', sprintf("%s <%s>", $senderName, $senderEmail));
+        }
+
         foreach ($email->getTo() as $toEmail => $toName) {
             $this->_formData->add('to', sprintf("%s <%s>", $toName, $toEmail));
         }
diff --git a/tests/TestCase/Mailer/Transport/MailgunTransportTest.php b/tests/TestCase/Mailer/Transport/MailgunTransportTest.php
index 5b49a4f..1dd9215 100644
--- a/tests/TestCase/Mailer/Transport/MailgunTransportTest.php
+++ b/tests/TestCase/Mailer/Transport/MailgunTransportTest.php
@@ -86,6 +86,7 @@ public function testAdditionalEmailAddresses()
             ->addCC(['ccbar@example.com', 'ccjohn@example.com' => 'John'])
             ->addBcc(['bccbar@example.com', 'bccjohn@example.com' => 'John'])
             ->setReplyTo(['replyto@example.com' => 'John'])
+            ->setSender(['sender@example.com' => 'John'])
             ->setEmailFormat('both')
             ->setSubject('Email from CakePHP Mailgun plugin')
             ->send('Hello there, <br> This is an email from CakePHP Mailgun Email plugin.');
@@ -101,6 +102,7 @@ public function testAdditionalEmailAddresses()
         $this->assertTextContains('Content-Disposition: form-data; name="cc"', $reqDataString);
         $this->assertTextContains('Content-Disposition: form-data; name="bcc"', $reqDataString);
         $this->assertTextContains('Content-Disposition: form-data; name="h:Reply-To"', $reqDataString);
+        $this->assertTextContains('Content-Disposition: form-data; name="h:Sender"', $reqDataString);
         $this->assertTextContains('from@example.com <from@example.com>', $reqDataString);
         $this->assertTextContains('to@example.com <to@example.com>', $reqDataString);
         $this->assertTextContains('ccbar@example.com <ccbar@example.com>', $reqDataString);
@@ -108,6 +110,7 @@ public function testAdditionalEmailAddresses()
         $this->assertTextContains('bccbar@example.com <bccbar@example.com>', $reqDataString);
         $this->assertTextContains('John <bccjohn@example.com>', $reqDataString);
         $this->assertTextContains('John <replyto@example.com>', $reqDataString);
+        $this->assertTextContains('John <sender@example.com>', $reqDataString);
     }
 
     public function testCustomHeaders()