public class Email    {        /// <summary>        /// 发送者        /// </summary>        public string mailFrom { get; set; }        /// <summary>        /// 收件人        /// </summary>        public string[] mailToArray { get; set; }        /// <summary>        /// 抄送        /// </summary>        public string[] mailCcArray { get; set; }        /// <summary>        /// 标题        /// </summary>        public string mailSubject { get; set; }        /// <summary>        /// 正文        /// </summary>        public string mailBody { get; set; }        /// <summary>        /// 发件人密码        /// </summary>        public string mailPwd { get; set; }        /// <summary>        /// SMTP邮件服务器        /// </summary>        public string host { get; set; }        /// <summary>        /// 正文是否是html格式        /// </summary>        public bool isbodyHtml { get; set; }        /// <summary>        /// 附件        /// </summary>        public string[] attachmentsPath { get; set; }        public bool Send()        {            //使用指定的邮件地址初始化MailAddress实例            MailAddress maddr = new MailAddress(mailFrom);            //初始化MailMessage实例            MailMessage myMail = new MailMessage();            //向收件人地址集合添加邮件地址            if (mailToArray != null)            {                for (int i = 0; i < mailToArray.Length; i++)                {                    myMail.To.Add(mailToArray[i].ToString());                }            }            //向抄送收件人地址集合添加邮件地址            if (mailCcArray != null)            {                for (int i = 0; i < mailCcArray.Length; i++)                {                    myMail.CC.Add(mailCcArray[i].ToString());                }            }            //发件人地址            myMail.From = maddr;            //电子邮件的标题            myMail.Subject = mailSubject;            //电子邮件的主题内容使用的编码            myMail.SubjectEncoding = Encoding.UTF8;            //电子邮件正文            myMail.Body = mailBody;            //电子邮件正文的编码            myMail.BodyEncoding = Encoding.Default;            myMail.Priority = MailPriority.High;            myMail.IsBodyHtml = isbodyHtml;            //在有附件的情况下添加附件            try            {                if (attachmentsPath != null && attachmentsPath.Length > 0)                {                    Attachment attachFile = null;                    foreach (string path in attachmentsPath)                    {                        attachFile = new Attachment(path);                        myMail.Attachments.Add(attachFile);                    }                }            }            catch (Exception err)            {                throw new Exception("在添加附件时有错误:" + err);            }            SmtpClient smtp = new SmtpClient();            //指定发件人的邮件地址和密码以验证发件人身份            smtp.Credentials = new System.Net.NetworkCredential(mailFrom, mailPwd);            //设置SMTP邮件服务器            smtp.Host = host;            try            {                //将邮件发送到SMTP邮件服务器                smtp.Send(myMail);                return true;            }            catch (System.Net.Mail.SmtpException ex)            {                return false;            }        }    }

protected void Send_Click(object sender, EventArgs e)        {            Email email = new Email();            email.mailFrom = "发送人的邮箱地址";            email.mailPwd = "发送人邮箱的密码";            email.mailSubject = "邮件主题";            email.mailBody = "邮件内容";            email.isbodyHtml = true;    //是否是HTML            email.host = "smtp.126.com";//如果是QQ邮箱则：smtp:qq.com,依次类推            email.mailToArray = new string[] { "******@qq.com","12345678@qq.com"};//接收者邮件集合            email.mailCcArray = new string[] { "******@qq.com" };//抄送者邮件集合            if (email.Send())            {                Response.Write("<script type=‘text/javascript‘>alert(‘发送成功！‘);history.go(-1)</script>");//发送成功则提示返回当前页面；            }            else            {                Response.Write("<script type=‘text/javascript‘>alert(‘发送失败！‘);history.go(-1)</script>");            }        }