widget/contact: accept non-word characters in sender email addresses

Allow any remotely valid address, including <hans.verlinden@planet.nl>.

diff --git a/widget/contact.php b/widget/contact.php
index ed0a0828140c7f875a7271d98075b31155b678a3..6e04005226abade032281e95fb36f750dfe8f521 100644 (file)
--- a/widget/contact.php
+++ b/widget/contact.php
@@ -50,7 +50,7 @@ switch ($source) {
        }
 }
 
-       $reply = preg_match('/\A\w+@\w+\.[a-z]+\z/', @$input['email'])
+       $reply = preg_match('/\A[^\s\'@]{1,64}@[.a-zA-Z0-9-]{4,63}\z/', @$input['email'])
                ? $input['email'] : "noreply@$domain";
        $header = "From: $reply";