註冊後自動發郵件代碼（asp.net）

public class Mail
{
    public Mail()
    {
    }
         /// <summary>
    /// 使用者忘記密碼時發送使用者密碼
    /// </summary>
    /// <param name="username">使用者名稱</param>
    /// <param name="receiver">使用者註冊郵箱</param>
    /// <param name="password">使用者密碼明文</param>
    /// <returns></returns>
    public static bool senmail(string username, string receiver)
    {
        System.Net.Mail.SmtpClient client;
        client = new System.Net.Mail.SmtpClient("Mail.tzgjrc.com");
        client.Timeout = 60000;
        client.UseDefaultCredentials = false;
        client.Credentials = new System.Net.NetworkCredential("luzhijian@tzgjrc.com", "1********"); 
        client.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
        System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
        message.BodyEncoding = System.Text.Encoding.Default;
        message.SubjectEncoding = System.Text.Encoding.Default;
        message.IsBodyHtml = true;
        message.From = new System.Net.Mail.MailAddress("luzhijian@tzgjrc.com", "松山湖一站式服務辦事中心", System.Text.Encoding.Default);
        message.To.Add(new System.Net.Mail.MailAddress(receiver, "sdafsa", System.Text.Encoding.Default));
        message.IsBodyHtml = false;
        message.Subject = "您要發送的標題";
        message.Body = username+"：填寫你要發送的內容";
        try
        {
            client.Send(message);
            return true;
        }
        catch (System.Net.Mail.SmtpException ee)
        {
            string tt = ee.Message;
            return false;
        }

    }
 
}

 

 

protected void btn_send_Click(object sender, EventArgs e)
    {
        if (Mail.senmail("志堅同志", txt_mail.Text))
        {
            Response.Write("發送成功");
        }
        else
        {
            Response.Write("發送失敗");
        }
    }