Send Email in C# through google

SendEmail.cs

        public static void CreateTestMessage4 ( string server )
        {

            MailAddress from = new MailAddress( "senderemail" );
            MailAddress to = new MailAddress( "recipientemail" );
            MailMessage message = new MailMessage( from , to );

            System.Net.Mail.Attachment attachment = new System.Net.Mail.Attachment( Environment.CurrentDirectory + "/file.pdf" );

            var smtp = new SmtpClient
            {
                Host = "smtp.gmail.com" ,
                Port = 587 ,
                EnableSsl = true ,
                DeliveryMethod = SmtpDeliveryMethod.Network ,
                UseDefaultCredentials = false ,
                Credentials = new NetworkCredential( from.Address , /*PassWord Here*/"aaa" )
            };



            message.Subject = "Using the SmtpClient class.";
            message.Body = @"Using this feature, you can send an e-mail message from an application very easily.";
            message.Attachments.Add( attachment );


            SmtpClient client = smtp;

            Console.WriteLine( "Sending an e-mail message to {0} by using SMTP host {1} port {2}." ,
                 to.ToString() , client.Host , client.Port );




            try
            {
                client.Send( message );
            }
            catch ( Exception ex )
            {
                Console.WriteLine( "Exception caught in CreateTestMessage4(): {0}" ,
                            ex.ToString() );
            }
        }