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

namespace DomenicDenicola
{
	public class GmailSample
	{
		public static void Main()
		{
			var fromAddress = new MailAddress("from@gmail.com", "From Name");
			var toAddress = new MailAddress("to@example.com", "To Name");
			const string fromPassword = "fromPassword";
			const string subject = "Subject";
			const string body = "Body";

			// This sends email using the credentials fromAddress, fromPassword.
			var smtp = new SmtpClient
					   {
						   Host = "smtp.gmail.com",
						   Port = 587,
						   EnableSsl = true,
                           DeliveryMethod = SmtpDeliveryMethod.Network, // It is unclear for which setups this is needed; it's not needed in mine, but someone else reports that it is for theirs.
						   UseDefaultCredentials = false,
						   Credentials = new NetworkCredential(fromAddress.Address, fromPassword)
					   };
			using (var message = new MailMessage(fromAddress, toAddress)
								 {
									 Subject = subject,
									 Body = body
								 })
			{
				smtp.Send(message);
			}

			// This sends email from the given address, but notice how it doesn't require a password.
			// This will _only_ work when sending from a Gmail address to a Gmail address!
			var smtp2 = new SmtpClient("gmail-smtp-in.l.google.com");
			using (var message = new MailMessage(fromAddress, toAddress)
								 {
									 Subject = subject,
									 Body = body
								 })
			{
				smtp2.Send(message);
			}
		}
	}
}