[support] Help with SMTP Setup

[EPA WC]

Hi All,

I have hMailServer just installed on my local windows 2003 and tried
to use it for SMTP server in my Drupal 6.x installation on the same
machine. I've configured hMailServer to use my ip address as domain (I
don't have a domain name yet so I am not sure whether this will work
or not.) and set up a webmaster account on hMailServer. I also changed
mail function setting in php.ini file. But the SMTP in Drupal is still
not working and I got the following error message:

    warning: mail() [function.mail]: SMTP server response: 530 SMTP
authentication is required. in D:\wamp\www\includes\mail.inc on line
192.
    Unable to send e-mail. Please contact the site administrator if
the problem persists.

Can anyone help me out with this?

Thanks.
Tom