How to send an email through gmail without enabling 'insecure access'?

Question

Google are pushing us to improve the security of script access to their gmail smtp servers. I have no problem with that. In fact I\'m happy to help.

But they\'re n

Answer 1

  protected string SendEmail(string toAddress, string subject, string body)
    {
        string result = "Message Sent Successfully..!!";

        string senderID = "...........";// use sender's email id here..
        const string senderPassword = "........."; // sender password here...

        try
        {
            SmtpClient smtp = new SmtpClient
            {
                Host = "smtp.gmail.com", // smtp server address here...
                Port = 587,
                EnableSsl = true,
                DeliveryMethod = SmtpDeliveryMethod.Network,
                Credentials = new System.Net.NetworkCredential(senderID, senderPassword),
                Timeout = 30000,

            };

            MailMessage message = new MailMessage(senderID, toAddress, subject, body);

            smtp.Send(message);
        }
        catch (Exception ex)
        {
            result = "Error sending email.!!!";
        }

        return result;
    }