邮箱发送类支持群发

using System;
using System.Text;
using System.Net.Mail;
using System.Net;
using NingQHai.Tools;

namespace NingQHai.Web {

    /// <summary>
    /// 邮件操作实体类
    /// </summary>
   public  class myMail {
        String _title = "";
        String _body = "";
        String _host = "";
        String _pwd = "";
        String _uName = "";
        String _accept = "";

        /// <summary>
        /// 接收邮件地址
        /// </summary>
        public String Accept
        {
            get { return _accept; }
            set { _accept = value; }
        }
        /// <summary>
        /// 发送邮件的用户名
        /// </summary>
        public String UName
        {
            get { return _uName; }
            set { _uName = value; }
        }
        /// <summary>
        /// 发送邮件的密码
        /// </summary>
        public String Pwd
        {
            get { return _pwd; }
            set { _pwd = value; }
        }
        /// <summary>
        /// 邮件服务器的地址IP或域名
        /// </summary>
        public String Host
        {
            get { return _host; }
            set { _host = value; }
        }
        /// <summary>
        /// 邮件内容
        /// </summary>
        public String Body
        {
            get { return _body; }
            set { _body = value; }
        }

        /// <summary>
        /// 邮件标题
        /// </summary>
        public String Title
        {
            get { return _title; }
            set { _title = value; }
        }
       /// <summary>
       /// 实例化邮件实体类
       /// </summary>
        public myMail()
        {
        }
       /// <summary>
       /// 邮件实体类
       /// </summary>
       /// <param name="uName">发送邮件的用户名</param>
       /// <param name="pwd">相应的密码</param>
       /// <param name="accept">接收的EMail</param>
       /// <param name="host">发邮件的主机</param>
       /// <param name="title">邮件标题</param>
       /// <param name="body">邮件内容</param>
        public myMail(String uName,String pwd,String accept,String host,String title,String body)
        {
            this.UName = uName; this.Pwd = pwd;  this.Accept = accept;
            this.Title = title; this.Body = body; this.Host = host;
        }
       /// <summary>
       /// 发送邮件
       /// </summary>
       /// <returns></returns>
        public Boolean sendMail()
        {
            Boolean flag = false;
            try {
                SmtpClient client = new SmtpClient(this.Host);
                client.UseDefaultCredentials = false;
                client.Credentials = new NetworkCredential(this.UName, this.Pwd);
                /*指定如何处理待发的邮件*/
            
                client.DeliveryMethod = SmtpDeliveryMethod.Network;
                MailMessage message = new MailMessage(this.UName, this.Accept, this.Title, this.Body);
                message.From = new MailAddress(this.UName);
                String[] txtUsers = this.Accept.Split(',');
                foreach (String str in txtUsers)
                {
                    if (str != null & str != String.Empty)
                    {
                        message.To.Add(str);
                    }
                }
                message.Subject = this.Title;
                message.Body = this.Body;
                message.BodyEncoding = Encoding.Default;
                message.Priority = MailPriority.High;
                message.IsBodyHtml = true;
                client.Send(message);
                flag = true;
            }
            catch (Exception ex) {
                Err.ErrString = ex.Message;
            }
            return flag;
        }
    }
}