Read Outlook without using SMTP.

public void SendEmail()
        {
            try
            {
                ExchangeService service = new ExchangeService();
                service.AutodiscoverUrl("*****@*****.com");
                EmailMessage message = new EmailMessage(service);
                message.Subject = "Test Email";
                //message.Body = "Test Email body";
                message.Body = "This is an autogenerated Email so please do not reply to this email.This Email is generated to send test email from exchange server.";
                message.ToRecipients.Add("****@*****.com");
               
                message.Save();
                message.SendAndSaveCopy();
            }
            catch (Exception ex)
            {
                throw ex;
            }

        }