I ended up using cdoNTS because of a similar problem...
>Can I use WW Ipstuff to send email if my email server is setup to only send mail after verfication (use passwords) (stop the spammers)????
>
>I can send email fine as long as the server is open to relay.
>
>I use Imail which is a good email server. If I can not use it, what SMTP server can setup that is small, cheap and will only send email from ONE address or one IP????
>
>THANKS