Email FTP >> Mail Authorization

Make sure that SMTP Authentication is Enabled.

In most email software clients, there is a method to setup SMTP authentication.

Here is an example screenshot using Outlook Express.

http://www.hardhathosting.com/docs/OE_pop3_smtp_settings.png

Also, be sure to check our list of ISP's that block SMTP traffic on their networks.

http://help.hardhathosting.com/question.php/147