利用asp.net自带邮件组件 发送邮件，支持126,163,gmail,qq等邮箱

    #region 邮件发送    /// <summary>    /// 发送邮件支持HTML格式 先引用System.Net.Mail;    /// </summary>    /// <param name="MailFrom">发送人Email 如demo@126.com</param>    /// <param name="MailServer">邮件服务器 如mail.126.com</param>    /// <param name="MailUserName">登陆用户名 如demo@126.com</param>    /// <param name="MailPassword">登陆密码 如123456</param>    /// <param name="mailto">收件人邮箱</param>    /// <param name="title">邮件标题</param>    /// <param name="msg">邮件正文</param>    /// <returns>成功 true; 失败 false</returns>    public static bool SendSmtpEmail(string MailFrom, string MailServer, string MailUserName, string MailPassword, string mailto, string title, string msg)    {        var client = new SmtpClient();        client.Host = MailServer;        client.UseDefaultCredentials = false;        client.Credentials = new System.Net.NetworkCredential(MailUserName, MailPassword);        client.DeliveryMethod = SmtpDeliveryMethod.Network;        System.Net.Mail.MailMessage message = new MailMessage(MailFrom, mailto);        message.Subject = title;        message.Body = msg;        message.SubjectEncoding = System.Text.Encoding.UTF8;        message.BodyEncoding = System.Text.Encoding.UTF8;        message.IsBodyHtml = true;        message.Priority = MailPriority.High;        message.IsBodyHtml = true;        try        {            client.Send(message);            return true;        }        catch        {            return false;        }    }    #endregion