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C#中發(fā)送郵件代碼

 更新時(shí)間:2008年11月25日 10:09:40   作者:  
最近學(xué)習(xí)了下C#中實(shí)現(xiàn)郵件發(fā)送功能,并將該功能用于本博客的密碼找回中!
始找的代碼只能發(fā)送無(wú)SMTP驗(yàn)證的郵件,但現(xiàn)在很多EMAIL發(fā)送時(shí)都需要驗(yàn)證,后來(lái)查找了下MSDN的幫助,找到了發(fā)送驗(yàn)證的代碼,貼出來(lái)希望對(duì)大家有所幫助!
復(fù)制代碼 代碼如下:

public static int sendmail(string to, string body,string subject)
    {
        try
        {
            int nContain = 0;
            ///添加發(fā)件人地址
            string from = "你的發(fā)送EMAIL";
            MailMessage mailMsg = new MailMessage();
            mailMsg.From = new MailAddress(from);
            nContain += mailMsg.From.Address.Length;
            ///添加收件人地址
            mailMsg.To.Add(to);
            nContain += mailMsg.To.ToString().Length;
            ///添加郵件主題
            mailMsg.Subject = subject;
            mailMsg.SubjectEncoding = Encoding.UTF8;
            nContain += mailMsg.Subject.Length;
            ///添加郵件內(nèi)容
            mailMsg.Body = body;
            mailMsg.BodyEncoding = Encoding.UTF8;
            mailMsg.IsBodyHtml = true;
            nContain += mailMsg.Body.Length;
            if (mailMsg.IsBodyHtml == true)
            {
                nContain += 100;
            }
            ///發(fā)送郵件
            try
            {
                //定義發(fā)送郵件的Client
                SmtpClient client = new SmtpClient();
                //表示以當(dāng)前登錄用戶的默認(rèn)憑據(jù)進(jìn)行身份驗(yàn)證 
                client.UseDefaultCredentials = true;
                //包含用戶名和密碼 
                client.Credentials = new System.Net.NetworkCredential(application.GetapplicationSendmail(), application.GetapplicationSendpass());
                ///設(shè)置郵件服務(wù)器主機(jī)的IP地址
                client.Host = "SMTP服務(wù)器IP"
                ///設(shè)置郵件服務(wù)器的端口
                client.Port = 25;
                ///配置發(fā)送郵件的屬性
                client.DeliveryMethod = SmtpDeliveryMethod.Network;
                //System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage(strFrom, strto, strSubject, strBody); 
                mailMsg.Priority = System.Net.Mail.MailPriority.Normal;
                //client.UseDefaultCredentials = false;
                ///發(fā)送郵件
                client.Send(mailMsg);
                return 1;
            }
            catch (Exception ex) { return 0; }
        }
        catch (Exception ex) { return 0; }
    }

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