To edit the universal email settings, go to the server behaviors panel, in the list of server behaviors, double click the universal email server behavior.
in addition to setting the from and to addresses, you may also need to set the SMTP Server settings.
contact your host to find out if they support sending emails through php scripts using the php mail() function.
if they do, also ask them what SMTP Server address and Port should be used.
use this information for configuring the Server section of the universal email wizard.
If you need more assistance, Who is your host? and can you send a copy of your page.