Index: src/wp-includes/pluggable.php
===================================================================
--- src/wp-includes/pluggable.php	(revision 38282)
+++ src/wp-includes/pluggable.php	(revision )
@@ -349,7 +349,7 @@
 	 */
 	$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 ) )