Sending Email using SMTP in C#

System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
message.To.Add(“abc@domain.”);

message.Subject = “This is the Subject line”;
message.From = new System.Net.Mail.MailAddress(“user@abc.com”);
message.Body = “This is the message body
User2 has been replaced with User1”;
System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient(“smtp server address”);
smtp.Send(message);