Error response after trying to sign up:
Warning: mail(): SMTP server response: 550 relay not permitted in e:\domains\v\verglas.com\user\htdocs\cage_page\common\functions.php on line 504
Fatal error: Maximum execution time of 30 seconds exceeded in e:\domains\v\verglas.com\user\htdocs\cage_page\common\functions.php on line 505
http://www.verglas.com/cage_page/index.php?action=2
WinXP Pro SP2, Firefox 2.0.0.1
Also now tested with IE7 - same error. :(