sprintf("This e-mail message is for your record. You have registered a login account at %s as follows:\n\n", $url).
sprintf("Username: %s\n", $customer['username']).
sprintf("Password: %s\n", $customer['password']).
"\n".
sprintf("The registration has been performed from the IP address %s.", $_SERVER['REMOTE_ADDR']).
"\n".
"\n".
sprintf("This message was sent in clear text over the Internet and it is advisable, in order to protect your account, to login and change your password displayed in this message. ").