.net jMail邮件发送(含抄送、密送、多发、日志记录)实例代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using jmail;
using System.IO;

namespace JmailDemo
{
    public class MailAPI
    {
        /// summary>
        /// 邮件发送
        /// /summary>
        /// param name="zt">主题/param>
        /// param name="zw">正文/param>
        /// param name="getMail">收件人地址/param>
        /// param name="fromMail">发件人地址，多个地址间用英文逗号或分号隔开/param>
        /// param name="csMail">抄送人地址，多个地址间用英文逗号或分号隔开/param>
        /// param name="msMail">密送人地址，多个地址间用英文逗号或分号隔开/param>
        /// param name="fjMail">附件服务器目录，多个服务器端目录之间以英文逗号或分号隔开/param>
        public void Send(string zt, string zw, string getMail, string fromMail, string csMail, string msMail, string fjMail)
        {
            jmail.Message jmessage = new Message();
            //Jmail系统配置 
            jmessage.Charset = "GB2312";
            jmessage.Encoding = "base64";
            //配置邮件信息 
            jmessage.Subject = zt.Trim();//邮件主题 
            jmessage.HTMLBody = zw;//邮件正文 
            //配置收件人信息 
            string[] sj = getMail.Split(',', ';');
            if (sj.Length > 1)
            {
                for (int i = 0; i sj.Length; i++)
                {
                    jmessage.AddRecipient(sj[i], "", "");//收件人邮箱地址
                }
            }
            else
            {
                jmessage.AddRecipient(sj[0], "", "");
            }
            //配置抄送人信息 
            string[] cs = csMail.Split(',', ';');
            if (cs.Length > 1)
            {
                for (int i = 0; i cs.Length; i++)
                {
                    jmessage.AddRecipientCC(cs[i]);
                }
            }
            else
            {
                jmessage.AddRecipient(cs[0], "", "");
            }
            //配置密送人信息
            string[] ms = msMail.Split(',', ';');
            if (ms.Length > 1)
            {
                for (int i = 0; i ms.Length; i++)
                {
                    jmessage.AddRecipientBCC(ms[i]);
                }
            }
            else
            {
                jmessage.AddRecipient(ms[0], "", "");
            }
            //配置发件人信息 
            jmessage.ReplyTo = fromMail;//指定收件人回复的，所回复到的地址 
            jmessage.From = fromMail;//邮件发件人的邮箱地址 
            jmessage.FromName = "Test！";//邮件发件人显示的姓名 
            jmessage.MailServerUserName = fromMail;//用户名身份验证 
            jmessage.MailServerPassWord = "password";//发送邮件在服务器中的密码 
            //配置附件 
            string[] fj = fjMail.Split(',', ';');
            if (fj.Length > 1)
            {
                for (int i = 0; i fj.Length; i++)
                {
                    jmessage.AddAttachment(fj[i],true,null);
                }
            }
            else
            {
                jmessage.AddRecipient(sj[0], "", "");
            }
            //配置追加信息
            jmessage.AppendHTML("a href='https://www.jb51.net'>此邮件发送者/a>");
            //发送邮件 
            for (int i = 0; i sj.Length; i++)
            {
                jmessage.Send("smtp.qq.com", false);//发送邮件服务器 
            }
            //配置jmail日志
            jmessage.Logging = true;
            using (StreamWriter sw = new StreamWriter("E:\\log.txt", true))
            {
                sw.Write(jmessage.Log);
                sw.Close();
            }
            jmessage.Close();//邮件发送完毕，关闭邮件发送状态 
        }
    }
}

        protected void Button1_Click(object sender, EventArgs e)
        {
            MailAPI sendMail = new MailAPI();
            string fj = Server.MapPath("files/JSON.rar");
            //sendMail.Send("这是主题", "这是正文", "这是收件人邮箱列表", "这是发件人邮箱地址", "抄送人邮箱列表", "密件人邮箱列表", "附件服务器地址列表");
            sendMail.Send("这是主题", "这是正文", "aaa@163.com,bbb@qq.com", "ccc@qq.com", "ddd@163.com,eee@qq.com", "", fj);
            //各列表之间以 英文状态的逗号分分号隔开
        }