[Sergey Hmelevsky]

Hello Rasmus,
make sure of PHP function mail() is enabled. Then try to edit file classes/xaFront.class.php, find there function registerAccount and replace next line

PHP Code:

$h2 = '-f' . $gConfig['site_email']; 


with next one

PHP Code:

$h2 = false; 


I hope this will obviate a problem.