Working environment required for send a mail with smtoMail

I sent a mail from my mail address to my mail address using the smtpMail class in a Visual Basic.NET program, but it is not received. I do not know what and where was wrong.
Following is my concern
1. Instead of OutLook, the Lotus Note is used in my machine as e-mail tool.
2. Working environment is not set properly, such smtp server.
Can you give me help? Thank you!

You have to understand, the SmtpMail class works by using COM-InterOp to communicate with *SMTP Service* running on local Windows system.

To successfully send an email using SmtpMail, you'll first have to install and start SMTP Service on your Windows 2000, XP machine. SMTP Service comes free with your Windows 2000, XP OS.

To make sure it is started and running, try following command at Command Prompt:

net start smtpsvc

If it is installed but not started, it'll start. If it is already running, you'll see a message about it. If it is not installed you'll know.