sendmail.cs

/*
 * Created by SharpDevelop.
 * User: JS
 * Date: 2008-10-11
 * Time: 22:31
 * 
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;
using System.Net.Mail; 

namespace sendmail
{
    class Program
    {
        //要向多个人发送,循环加入 mailMsg.To.Add(new MailAddress(strTo));
        //strFrom发件人的邮箱
        //strTo收件人的邮箱,支持群发,以";"为分隔
        //strSubject邮箱主题
        //strContent邮箱的文本内容
        //strPwd邮箱密码
        //strServerMail　为smtp服务器如Smtp.163.com
        public string SendMail(string strFrom, string strTo, string strSubject, string strContent, string strPwd, string strServerMail)
        {
            if (strFrom == "" || strTo == "" || strSubject == "" || strContent == "" || strPwd == "" || strServerMail == "")
                return "各参数不应有空值";
            //关于邮件的设置
            System.Net.Mail.MailMessage mailMsg = new System.Net.Mail.MailMessage(); //邮件类
            mailMsg.From = new MailAddress(strFrom);

            string[] toList = strTo.Split(';'); //以";"作为分隔符
            foreach (string t in toList)
            {
                //mailMsg.To.Add(new MailAddress(strTo));
                mailMsg.To.Add(new MailAddress(t));
            }

            mailMsg.Subject = strSubject; //指明主题
            mailMsg.Body = strContent; //指明正文
            mailMsg.IsBodyHtml = false; //邮件是否为HTML格式

            try
            {
                //用于发送的设置
                System.Net.Mail.SmtpClient mailClient = new System.Net.Mail.SmtpClient();
                mailClient.DeliveryMethod = SmtpDeliveryMethod.Network; //指明通过smtp方式发送
                mailClient.Host = strServerMail; //smtp邮件主机的地址
                //安全签名，用于验证的信息
                mailClient.Credentials = new System.Net.NetworkCredential(strFrom, strPwd); //指明发送人的身份(发件人邮箱,发件人邮箱密码)
                mailClient.Send(mailMsg);
            }
            catch (SmtpException eError)
            {
                return eError.Message;
            }

            return "发送成功!";
        }
        static void Main(string[] args)
        {
            Program p = new Program();
            Console.WriteLine("请输入所要发送的邮件:");
            string from = Console.ReadLine();
            string to = Console.ReadLine();
            string subject = Console.ReadLine();
            string connect = Console.ReadLine();
            string pwd = Console.ReadLine();
            string server = Console.ReadLine();
            p.SendMail(from, to, subject, connect, pwd, server);
        }
    }
}