邮件发送类

#region Imports...
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using System.Data.SqlClient;
using System.Text;
using System.Net;
using System.Net.Mail;
using System.IO;
#endregion

namespace Byecity2009.Common.Utils
{
    /// <summary>
    /// 邮件发送类
    /// </summary>
    public class MailObj
    {
        /// <summary>
        ///
        /// </summary>
        public MailObj()
        {
        }

        #region 邮件的发送方法(循环抄送人地址)
        /// <summary>
        /// 邮件的发送方法(循环抄送人地址)
        /// </summary>
        /// <param name="MailFrom">邮件发送人地址</param>
        /// <param name="MailFromZhName">邮件发送人中文名称</param>
        /// <param name="MailTo">邮件的接收人地址</param>
        /// <param name="MakeCopyMailAddress">邮件的抄送地址</param>
        /// <param name="MailSubject">邮件的标题</param>
        /// <param name="MailBody">邮件的主题内容</param>
        /// <param name="MailServer">邮件服务器地址</param>        
        public static void MailSend(string MailFrom, string MailFromZhName, string MailTo, string MakeCopyMailAddress, string MailSubject, string MailBody, string MailServer)
        {                           
            MailMessage mailMessage = new MailMessage();
            mailMessage.From = new MailAddress(MailFrom, MailFromZhName); //发件人
            mailMessage.To.Add(new MailAddress(MailTo)); //收件人
            string[] arrEmailAdr = MakeCopyMailAddress.Split(';');
            for (int i = 0; i < arrEmailAdr.Length; i++)
            {
                mailMessage.Bcc.Add(new MailAddress(arrEmailAdr[i].ToString())); //抄送人
            }
            mailMessage.IsBodyHtml = true; //设置邮件正文格式为html
            mailMessage.BodyEncoding = System.Text.Encoding.GetEncoding("gb2312"); //设置邮件正文的编码
            mailMessage.Subject = MailSubject; //标题
            mailMessage.Body = MailBody; //正文                

            SmtpClient client = new SmtpClient(MailServer);
            client.UseDefaultCredentials = true;
            client.Send(mailMessage); //发送邮件
            //mailMessage.Dispose();
        }
        #endregion

        #region 邮件的发送方法(循环接收人地址,无抄送人)
        /// <summary>
        /// 邮件的发送方法(循环接收人地址,无抄送人)
        /// </summary>
        /// <param name="MailFrom">邮件发送人地址</param>
        /// <param name="MailFromZhName">邮件发送人中文名称</param>
        /// <param name="MailTo">邮件的接收人地址</param>
        /// <param name="MailSubject">邮件的标题</param>
        /// <param name="MailBody">邮件的主题内容</param>
        /// <param name="MailServer">邮件服务器地址</param>        
        public static void MailSend(string MailFrom, string MailFromZhName, string MailTo, string MailSubject, string MailBody, string MailServer)
        {
            MailMessage mailMessage = new MailMessage();
            mailMessage.From = new MailAddress(MailFrom, MailFromZhName); //发件人
            string[] arrEmailAdr = MailTo.Split(';');
            for (int i = 0; i < arrEmailAdr.Length; i++)
            {
                mailMessage.To.Add(new MailAddress(arrEmailAdr[i].ToString())); //接收人
            }
            mailMessage.IsBodyHtml = true; //设置邮件正文格式为html
            mailMessage.BodyEncoding = System.Text.Encoding.GetEncoding("gb2312"); //设置邮件正文的编码
            mailMessage.Subject = MailSubject; //标题
            mailMessage.Body = MailBody; //正文                

            SmtpClient client = new SmtpClient(MailServer);
            client.UseDefaultCredentials = true;
            client.Send(mailMessage); //发送邮件
            //mailMessage.Dispose();
        }
        #endregion
    }

    #region [ByecityMailSmtp 黄起程 2008-7-4]

    /// <summary>
    /// SMTP 邮件发送
    /// </summary>
    public class ByecityMailSmtp
    {
        #region [私有变量]

        private string _smtpServer = "mail.byecity.com";
        private string _userName = "[e-mail]";
        private string _password = "pwd123456!@#$%^";
        private string _dnsServer = "202.106.0.20";
        private int _smtpPort = 25;
        private bool _smtpSSL = false;
        private string _returnPath = "[e-mail]";
        #endregion

        #region [公共属性]

        /// <summary>
        /// Smtp 服务器地址。
        /// </summary>
        public string SmtpServer
        {
            set
            {
                _smtpServer = value;
            }
            get
            {
                return _smtpServer;
            }
        }

        /// <summary>
        /// 服务器端口号
        /// </summary>
        public int SmtpPort
        {
            get
            {
                return _smtpPort;
            }
            set
            {
                _smtpPort = value;
            }
        }
        /// <summary>
        /// Smtp 登录帐号。
        /// </summary>
        public string SmtpUserName
        {
            set
            {
                _userName = value;
            }
            get
            {
                return _userName;
            }
        }

        /// <summary>
        /// Smtp 登录密码。
        /// </summary>
        public string SmtpPassword
        {
            set
            {
                _password = value;
            }
            get
            {
                return _password;
            }
        }

        /// <summary>
        /// 域名解析服务器
        /// </summary>
        public string DnsServer
        {
            set
            {
                _dnsServer = value;
            }
            get
            {
                return _dnsServer;
            }
        }

        /// <summary>
        /// 是否使用SSL加密
        /// </summary>
        public bool SmtpSSL
        {
            set
            {
                _smtpSSL = value;
            }
            get
            {
                return _smtpSSL;
            }
        }

        private string _serverDescription = "佰程华远";
        /// <summary>
        /// 服务的描述
        /// </summary>
        public string ServerDescription
        {
            get
            {
                return _serverDescription;
            }
            set
            {
                _serverDescription = value;
            }
        }

        /// <summary>
        /// 邮件发送错误时返回的邮件地址
        /// </summary>
        public string ReturnPath
        {
            get
            {
                return _returnPath;
            }
            set
            {
                _returnPath = value;
            }
        }
        #endregion

        #region [构造函数]

        public ByecityMailSmtp()
        { }
        /// <summary>
        /// 构造函数，默认端口号25
        /// </summary>
        public ByecityMailSmtp(string smtpServer, string userName, string password, string dnsServer)
        {
            //配置服务发送参数
            _smtpServer = smtpServer;
            _userName = userName;
            _serverDescription = userName;
            _password = password;
            _dnsServer = dnsServer;
        }
        /// <summary>
        /// 构造函数
        /// </summary>
        public ByecityMailSmtp(string smtpServer, int smtpPort, string userName, string password, string dnsServer)
        {
            //配置服务发送参数
            _smtpServer = smtpServer;
            _smtpPort = smtpPort;
            _userName = userName;
            _serverDescription = userName;
            _password = password;
            _dnsServer = dnsServer;
        }

        /// <summary>
        /// 构造函数
        /// </summary>
        public ByecityMailSmtp(string smtpServer, int smtpPort, string userName, string password, string dnsServer, bool smtpSSL, string serverDescription, string returnPath)
        {
            _smtpServer = smtpServer;
            _smtpPort = smtpPort;
            _userName = userName;
            _password = password;
            _dnsServer = dnsServer;
            _smtpSSL = smtpSSL;
            _serverDescription = serverDescription;
            _returnPath = returnPath;
        }
        #endregion

        #region [发送Send]        

        /// <summary>
        ///
        /// </summary>
        /// <param name="mailFrom"></param>
        /// <param name="mailTo"></param>
        /// <param name="subject"></param>
        /// <param name="body"></param>
        /// <param name="attachments"></param>
        /// <param name="encoding"></param>
        /// <param name="isBodyHtml"></param>
        /// <param name="priority"></param>
        /// <returns></returns>
        public SmtpResult Send(string mailFrom, string mailTo, string subject, string body, string[] attachments, Encoding encoding, bool isBodyHtml, MailPriority priority)
        {
            SmtpResult result = new SmtpResult();
            result.Result = true;
            result.Error = "";
            MailMessage msg = new MailMessage();

            msg.From = new System.Net.Mail.MailAddress(this.SmtpUserName, this.ServerDescription, encoding);
            try
            {
                msg.To.Add(mailTo.Trim());
            }
            catch (Exception ex)
            {
                result.Result = false;
                result.Error = ex.Message;
                return result;
            }
            msg.Headers.Add("Return-Path", this.ReturnPath);//无效？

            msg.Subject = subject;
            msg.SubjectEncoding = encoding;

            msg.Body = body;
            msg.BodyEncoding = encoding;

            msg.IsBodyHtml = isBodyHtml;
            //msg.Priority = priority;


            foreach (string att in attachments)
            {
                if (att.Trim().Length > 0 && File.Exists(att.Trim()))
                    msg.Attachments.Add(new Attachment(att));
            }

            SmtpClient client = new SmtpClient();
            //设置发送服务器(Gmail)的邮箱和密码
            client.Credentials = new System.Net.NetworkCredential(this.SmtpUserName, this.SmtpPassword);
            client.Port = this.SmtpPort;
            client.Host = this.SmtpServer;
            client.Timeout = 300000;
            client.EnableSsl = this.SmtpSSL;

            try
            {
                lock (typeof(ByecityMailSmtp))
                {
                    client.Send(msg);
                }
                result.Result = true;
                result.Error = "";
                return result;
            }
            catch (Exception ex)
            {
                result.Result = false;
                result.Error = ex.Message;
                return result;
            }
        }


        /// <summary>
        /// 发送(增加cc)
        /// </summary>
        /// <param name="mailFrom"></param>
        /// <param name="mailTo"></param>
        /// <param name="cc"></param>
        /// <param name="subject"></param>
        /// <param name="body"></param>
        /// <param name="attachments"></param>
        /// <param name="encoding"></param>
        /// <param name="isBodyHtml"></param>
        /// <param name="priority"></param>
        /// <returns></returns>
        public SmtpResult Send(string mailFrom, string mailTo,string[] cc,string subject, string body, string[] attachments, Encoding encoding, bool isBodyHtml, MailPriority priority)
        {
            SmtpResult result = new SmtpResult();
            result.Result = true;
            result.Error = "";
            MailMessage msg = new MailMessage();
            
            msg.From = new System.Net.Mail.MailAddress(this.SmtpUserName, this.ServerDescription, encoding);
            try
            {
                msg.To.Add(mailTo.Trim());
            }
            catch (Exception ex)
            {
                result.Result = false;
                result.Error = ex.Message;
                return result;
            }
            foreach (string c in cc)
            {
                if (!string.IsNullOrEmpty(c))
                    msg.CC.Add(c);
            }
            
            msg.Headers.Add("Return-Path", this.ReturnPath);//无效？

            msg.Subject = subject;
            msg.SubjectEncoding = encoding;

            msg.Body = body;
            msg.BodyEncoding = encoding;

            msg.IsBodyHtml = isBodyHtml;
            //msg.Priority = priority;


            foreach (string att in attachments)
            {
                if (att.Trim().Length > 0 && File.Exists(att.Trim()))
                    msg.Attachments.Add(new Attachment(att));
            }

            SmtpClient client = new SmtpClient();
            //设置发送服务器(Gmail)的邮箱和密码
            client.Credentials = new System.Net.NetworkCredential(this.SmtpUserName, this.SmtpPassword);
            client.Port = this.SmtpPort;
            client.Host = this.SmtpServer;
            client.Timeout = 300000;
            client.EnableSsl = this.SmtpSSL;

            try
            {
                lock (typeof(ByecityMailSmtp))
                {
                    client.Send(msg);
                }
                result.Result = true;
                result.Error = "";
                return result;
            }
            catch (Exception ex)
            {
                result.Result = false;
                result.Error = ex.Message;
                return result;
            }
        }

        #endregion
    }

    #endregion
}