Merge pull request PHPMailer#393 from sveneld/patch-1

Fix concatenation of headers for Dkim
jjblumenfeld · Apr 4, 2015 · efd1558 · efd1558
2 parents 580e44d + 653d638
commit efd1558
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/class.phpmailer.php b/class.phpmailer.php
@@ -3411,8 +3411,8 @@ public function DKIM_Add($headers_line, $subject, $body)
                 $to_header = $header;
                 $current = 'to_header';
             } else {
-                if ($current && strpos($header, ' =?') === 0) {
-                    $current .= $header;
+                if (!empty($$current) && strpos($header, ' =?') === 0) {
+                    $$current .= $header;
                 } else {
                     $current = '';
                 }