Send EMail using Gmail from ASP Web application

sendMail.cs

protected void SendMail()
{
    MailMessage msg = new MailMessage();
    System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient();
    try
    {
        msg.Subject = "Add Subject";
        msg.Body = "Add Email Body Part";
        msg.From = new MailAddress("Valid Email Address");
        msg.To.Add("Valid Email Address");
        msg.IsBodyHtml = true;
        client.Host = "smtp.gmail.com";
        System.Net.NetworkCredential basicauthenticationinfo = new System.Net.NetworkCredential("Valid Email Address", "Password");
        client.Port = int.Parse("587");
        client.EnableSsl = true;
        client.UseDefaultCredentials = false;
        client.Credentials = basicauthenticationinfo;
        client.DeliveryMethod = SmtpDeliveryMethod.Network;
        client.Send(msg);
    }
    catch (Exception ex)
    {
        log.Error(ex.Message);
    }
}