//统一由一个邮箱发送录用通知

            string strfrom = "";//发件人邮箱地址

            string strpow = "";//邮箱密码

            string strserver = "";//发送邮件服务器

            string strto = "";//收件人地址

            string strtitle = "邮件标题";

            string strdody = "<div style='font-size:14px;'>邮件内容</div>";

            string file1 = Server.MapPath("附件.doc");//附件地址1

            string file2 = Server.MapPath("附件.pdf");//附件地址2

            //发送邮件方法

            //Send(strserver, strfrom, strpow, strto, strtitle, strdody);

            SmtpClient client = new SmtpClient(strserver);

            // client.UseDefaultCredentials = false;

            client.UseDefaultCredentials = true;

            client.Credentials = new System.Net.NetworkCredential(strfrom, strpow);

            client.DeliveryMethod = SmtpDeliveryMethod.Network;

            Byte[] b = Encoding.Default.GetBytes(strdody);

            strdody = Encoding.GetEncoding("gb2312").GetString(b).ToString();

            //建立邮件附件类的一个对象，语法格式为System.Net.Mail.Attachment(文件名，文件格式)

            System.Net.Mail.Attachment myAttachment1 = new System.Net.Mail.Attachment(

            file1, System.Net.Mime.MediaTypeNames.Application.Octet);

            System.Net.Mail.Attachment myAttachment2 = new System.Net.Mail.Attachment(

            file2, System.Net.Mime.MediaTypeNames.Application.Octet);

            MailMessage message = new MailMessage(strfrom, strto, strtitle, strdody);

            message.Attachments.Add(myAttachment1);//用smtpclient对象里attachments属性，添加上面设置好的myattachment

            message.Attachments.Add(myAttachment2);

            message.BodyEncoding = Encoding.UTF8;

            message.IsBodyHtml = true;

            client.Send(message);