Csharp Send-Email

    private void SendEmail(string toAddress)
    {
        try
        {
            string fromAddress = ""; // your gmail adress
            string password = ""; // First of all, you come to gmail account management, then you open two factor authentication, then you search for application passwords, for example "pptfjitqqqtvnewof" you will create such a password, we copy it here
            string toGmail = "";//recipient gmail 

            SmtpClient smtp = new SmtpClient
            {
                Host = "smtp.gmail.com",
                Port = 587,
                EnableSsl = true,
                DeliveryMethod = SmtpDeliveryMethod.Network,
                UseDefaultCredentials = false,
                Credentials = new NetworkCredential(fromAddress,toGmail,password)

            };

            MailMessage message = new MailMessage(fromAddress, toGmail)
            {
                Subject = "", //you write what you want to write
                Body = $": "
            };

            smtp.Send(message);


        }
        catch (Exception ex)
        {
            MessageBox.Show("There was an error sending an e-mail: " + ex.Message);
        }
    }