The following piece of code explains how to send email messages in .net framework. To do this you need following namespaces.
using System.Net.Mail;
using System.Net;
The following C# coding help to send emails:
private void SendEmail()
{
MailMessage mail = new MailMessage(); //Create MailMessage object
mail.From=new MailAddress("xxxxx@gmail.com"); //set sender mail address
mail.To.Add("xxxxx@gmail.com"); //add set of recipients
mail.Subject = "Subject"; //Subject
mail.Body = "Hi, Im ... Testing NTB mail..."; //Body
var client = new SmtpClient("smtp.gmail.com", 587) //Set email client, email port
{
Credentials=new NetworkCredential("xxxxx@gmail.com", "xxxxxxx"), EnableSsl=true
}; //Senders username, password
client.Send(mail);
mail.Dispose();
}