[PHP] [Newman] When i send an email it ...

When i send an email i get the following error. Warning: mail() [function.mail]: SMTP server response: 550 , Sender unknown in D:\Hosting\Crushme\includes\inc_register.php on line 138 Is this a server or a PHP error? / Philip

[PHP] Directory Security and Managemrnt.

Hi there, I'm trying to ristrict access to a directory in my public root. /members/ should only be access able to people who have access .. and access rights are stored in a mysql databace. Should I be using .htaccess? Can anyone open a discussion about this ... because i would like to lean more