using System.Net;
using System.Net.Mail;

public static class EmailHandler
{
    public static void SendEmail
    (
        string from     ,
        string password ,
        string to       ,
        string subject  ,
        string body
    )
    {
        var message = new MailMessage
        (
            from    : from,
            to      : to,
            subject : subject,
            body    : body
        );

        var smtp = new SmtpClient
        {
            Host        = "smtp.gmail.com",
            Port        = 587,
            Credentials = new NetworkCredential( from, password ) as ICredentialsByHost,
            EnableSsl   = true,
        };

        ServicePointManager.ServerCertificateValidationCallback =
            ( sender, certificate, chain, sslPolicyErrors ) => true;

        smtp.Send( message );
    }
}