Ticket #37736: 37736.patch

src/wp-includes/pluggable.php

@@ -349 +349 @@
          */
         $from_name = apply_filters( 'wp_mail_from_name', $from_name );
 
-        $phpmailer->setFrom( $from_email, $from_name );
+        $phpmailer->setFrom( $from_email, $from_name, false );
 
         // Set destination addresses
         if ( !is_array( $to ) )