public static class SendEmail
    {
        public static void SendMail()
        {
            var fromAddress = new MailAddress("(myemail1)@gmail.com", "name");
            var toAddress = new MailAddress("(myemail2)@hotmail.com", "name2");
            const string fromPassword = "(myemail1Password)";
            const string subject = "Subject_test";
            const string body = "Body_test";

            var smtp = new SmtpClient
            {
                Host = "smtp.gmail.com",
                Port = 587,
                EnableSsl = true,
                DeliveryMethod = SmtpDeliveryMethod.Network,
                Credentials = new NetworkCredential(fromAddress.Address, fromPassword)
            };

            using (var message = new MailMessage(fromAddress, toAddress)
            {
                Subject = subject,
                Body = body
            })
            {
                smtp.Send(message);
            }
        }
    }