how to send email using asp.net

MailMessage message = new MailMessage();
message.From = new MailAddress("sender@foo.bar.com");
 
message.To.Add(new MailAddress("recipient1@foo.bar.com"));
message.To.Add(new MailAddress("recipient2@foo.bar.com"));
message.To.Add(new MailAddress("recipient3@foo.bar.com"));
 
message.CC.Add(new MailAddress("carboncopy@foo.bar.com"));
message.Subject = "This is my subject";
message.Body = "This is the content";
 
SmtpClient client = new SmtpClient();
client.Send(message);