c# SendMail

using System;

using System.Collections.Generic;

using System.Net;

using System.Net.Mail;

using System.Text;



namespace Common

{

    /// <summary>

    /// 基于system.net.mail发送邮件，支持附件

    /// </summary>

    public class NetSendMail

    {

        public static void MailSend(string mailFrom, string maiFromlAccount, string mailFromPwd, string mailSmtpServer, IList<string> mailTo, IList<string> mailCC, IList<string> mailBCC, string mailTitle, string mailContent, IList<string> mailAttachments, System.Text.Encoding encoding, bool isBodyHtml)

        {

            MailMessage message = new MailMessage();

            if (mailFrom.Trim() == "")

            {

                throw new Exception("发送邮件不可以为空");

            }

            message.From = new MailAddress(mailFrom);

            if (mailTo.Count <= 0)

            {

                throw new Exception("接收邮件不可以为空");

            }

            foreach (string s in mailTo)

            {

                message.To.Add(new MailAddress(s));

            }

            if (mailCC.Count > 0)

            {

                foreach (string s in mailCC)

                {

                    message.CC.Add(new MailAddress(s));

                }

            }

            if (mailBCC.Count > 0)

            {

                foreach (string s in mailBCC)

                {

                    message.Bcc.Add(new MailAddress(s));

                }

            }

            message.Subject = mailTitle;

            message.Body = mailContent;

            message.BodyEncoding = encoding;   //邮件编码

            message.IsBodyHtml = isBodyHtml;      //内容格式是否是html

            message.Priority = MailPriority.High;  //设置发送的优先集

            //附件

            foreach (string att in mailAttachments)

            {

                message.Attachments.Add(new Attachment(att));

            }

            SmtpClient smtpClient = new SmtpClient();

            smtpClient.Host = mailSmtpServer;

            smtpClient.Credentials = new NetworkCredential(maiFromlAccount, mailFromPwd);

            smtpClient.Timeout = 1000;

            smtpClient.EnableSsl = false;        //不使用ssl连接

            smtpClient.Send(message);

        }



        public static void MailSendText(string mailFrom, string maiFromlAccount, string mailFromPwd, string mailSmtpServer, IList<string> mailTo, IList<string> mailCC, IList<string> mailBCC, string mailTitle, string mailContent)

        {

            List<string> attList = new List<string>();

            MailSend(mailFrom, maiFromlAccount, mailFromPwd, mailSmtpServer, mailTo, mailCC, mailBCC, mailTitle, mailContent, attList, Encoding.UTF8, false);

        }



        public static void MailSendHTML(string mailFrom, string maiFromlAccount, string mailFromPwd, string mailSmtpServer, IList<string> mailTo, IList<string> mailCC, IList<string> mailBCC, string mailTitle, string mailContent)

        {

            List<string> attList = new List<string>();

            MailSend(mailFrom, maiFromlAccount, mailFromPwd, mailSmtpServer, mailTo, mailCC, mailBCC, mailTitle, mailContent, attList, Encoding.UTF8, true);

        }

    }

}