using System; 
using System.Collections.Generic; 
using System.Text; 

// Add EASendMail namespace
using EASendMail; 

using System; 
using System.Collections.Generic; 
using System.Text; 
using EASendMail; //add EASendMail namespace 

namespace mysendemail 
{ 
    class Program 
    { 
        static void Main(string[] args) 
        { 
            SmtpMail oMail = new SmtpMail("TryIt"); 
            SmtpClient oSmtp = new SmtpClient(); 

            // Your yahoo email address
            oMail.From = "myid@yahoo.com"; 

            // Set recipient email address
            oMail.To = "support@emailarchitect.net"; 

            // Set email subject
            oMail.Subject = "test email from yahoo account"; 

            // Set email body
            oMail.TextBody = "this is a test email sent from c# project with yahoo."; 

            // Yahoo SMTP server address
            SmtpServer oServer = new SmtpServer("smtp.mail.yahoo.com"); 

            // For example: your email is "myid@yahoo.com", then the user should be "myid@yahoo.com"
            oServer.User = "myid@yahoo.com"; 
            oServer.Password = "yourpassword"; 

            // Because yahoo deploys SMTP server on 465 port with direct SSL connection.
            // So we should change the port to 465.
            oServer.Port = 465; 

            // detect SSL type automatically
            oServer.ConnectType = SmtpConnectType.ConnectSSLAuto; 

            try 
            { 
                Console.WriteLine("start to send email over SSL ..."); 
                oSmtp.SendMail(oServer, oMail); 
                Console.WriteLine("email was sent successfully!"); 
            } 
            catch (Exception ep) 
            { 
                Console.WriteLine("failed to send email with the following error:"); 
                Console.WriteLine(ep.Message); 
            } 
        } 
    } 
}