asp.net发送邮件

/// <summary>
    /// 发送邮件
    /// </summary>
    /// <param name="fromMail">发送人邮箱地址</param>
    /// <param name="fromMailPws">发送人邮箱密码</param>
    /// <param name="fromName">发送人姓名</param>
    /// <param name="toMail">收件人邮箱地址</param>
    /// <param name="ccMail">抄送人邮箱地址</param>
    /// <param name="bccMail">密送人邮箱地址</param>
    /// <param name="subject">邮件标题</param>
    /// <param name="body">邮件内容</param>
    /// <param name="isBodyHtml">是否为HTML格式的内容</param>
    /// <returns></returns>
    private bool SendMail(string fromMail,string fromMailPws,string fromName, string toMail, string ccMail, string bccMail, string subject, string body, bool isBodyHtml)
    {
        try
        {
            MailMessage myMail = new MailMessage();
            myMail.From = new MailAddress(fromMail, fromName, System.Text.Encoding.UTF8);
            myMail.To.Add(toMail);
            myMail.Subject = subject;
            myMail.Body = body;
            myMail.IsBodyHtml = isBodyHtml;
            ////附件
            //  string ServerFileName = "";
            //  if (this.upfile.PostedFile.ContentLength != 0)
            //  {
            //      string upFileName = this.upfile.PostedFile.FileName;
            //      string[] strTemp = upFileName.Split('.');
            //      string upFileExp = strTemp[strTemp.Length - 1].ToString();
            //      ServerFileName = Server.MapPath(DateTime.Now.ToString("yyyyMMddhhmmss") + "." + upFileExp);
            //      this.upfile.PostedFile.SaveAs(ServerFileName);
            //      myMail.Attachments.Add(new Attachment(ServerFileName));
            //  }

             
              string smtp = "smtp." + fromMail.Substring(fromMail.IndexOf("@") + 1);
              //域名是否可用
              string DomainEnabled = Utility.GetAppSettingsValue("DomainEnabled");
              if (DomainEnabled.ToLower() == "false")
              smtp = "192.168.1.119";
              SmtpClient sc = new SmtpClient(smtp);
              sc.Credentials = new System.Net.NetworkCredential(fromMail, fromMailPws);//邮箱账号与密码
              sc.Send(myMail);   //发送邮件

            return true;
        }
        catch (Exception e32)
        {
            Response.Write(e32.ToString());
            return false;
        }
    }