To send mail using System.Net.Mail, you need to configure your SMTP service in your application's
web.config file using these values for
<system.net> <mailSettings> <smtp from="your email address"> <network host="relay-hosting.secureserver.net" port="25" /> </smtp> </mailSettings> </system.net>
network rule's value will be used when you instantiate an
SmtpClient in your code.
You can then use code similar to this to send email from your application: