mail20.cs

学生成绩管理系统

using System;
using System.Text;
using System.Net;
using System.Net.Mail;


namespace Jessup.Comm
{

    #region "邮件发送类"

    /// <summary>
    /// 邮件发送类
    /// </summary>
    public class SMTP20
    {
        private static bool common(string smtpHost, string smtpPort, string smtpTimeout, string smtpUserName, string smtpPassword, string strFrom, string strFromDisplayName, string strTo, string strCc, string strBcc, string strSubject, string strBody, string strEncoding)
        {
            bool bState = false;

            try
            {
                MailMessage Message = new MailMessage(
                new MailAddress(strFrom, strFromDisplayName, Encoding.GetEncoding(strEncoding)),
                new MailAddress(strTo));

                Message.SubjectEncoding = Encoding.GetEncoding(strEncoding);
                Message.Subject = strSubject;
                Message.BodyEncoding = Encoding.GetEncoding(strEncoding);
                Message.Body = strBody;

                SmtpClient smtpClient = new SmtpClient(smtpHost);
                smtpClient.Credentials = new NetworkCredential(smtpUserName, smtpPassword);
                // Credentials are necessary if the server requires the client 
                // to authenticate before it will send e-mail on the client's behalf.
                smtpClient.Credentials = CredentialCache.DefaultNetworkCredentials;
                smtpClient.Send(Message);

                bState = true;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            return bState;

        }

        public static bool ServiceSendMail(string strTo, string strSubject, string strBody, string strEncoding)
        {
            return common(strTo, "", strSubject, strBody, strEncoding);
        }

        /// <summary> 
        /// 邮件发送(Service邮箱),默认编码为GB2312 
        /// </summary> 
        /// <param name="strTo"></param> 
        /// <param name="strCc"></param> 
        /// <param name="strSubject"></param> 
        /// <param name="strBody"></param> 
        /// <param name="strEncoding">编码，如果为空，默认为GB2312</param> 
        /// <returns></returns> 
        public static bool ServiceSendMail(string strTo, string strCc, string strSubject, string strBody, string strEncoding)
        {
            return common(strTo, strCc, strSubject, strBody, strEncoding);
        }

        /// <summary> 
        /// 邮件发送默认编码为GB2312 
        /// </summary> 
        /// <param name="strTo"></param> 
        /// <param name="strSubject"></param> 
        /// <param name="strBody"></param> 
        /// <returns></returns> 
        public static bool ServiceSendMail(string strTo, string strSubject, string strBody)
        {
            return common(strTo, "", strSubject, strBody, "");
        }

        //public static bool ServiceSendMail(string strTo, string strCc, string strSubject, string strBody)
        //{
        //    return common(strTo, strCc, strSubject, strBody, "");
        //}

        //通用 
        private static bool common(string strTo, string strCc, string strSubject, string strBody, string strEncoding)
        {
            bool bState = false;

            try
            {
                //编码暂硬性规定为GB2312 
                Encoding encoding = Encoding.GetEncoding(936);

                MailMessage Message = new MailMessage(
                new MailAddress("[e-mail]", "yyw_84", encoding),
                new MailAddress(strTo));

                Message.SubjectEncoding = encoding;
                Message.Subject = strSubject;
                Message.BodyEncoding = encoding;
                Message.Body = strBody;
                if (strCc != "")
                {
                    Message.CC.Add(new MailAddress(strCc));
                }
                SmtpClient smtpClient = new SmtpClient("smtp.126.com");                
                smtpClient.Credentials = new NetworkCredential("yyw_84", "1238");
                smtpClient.Timeout = 20000;
                // Credentials are necessary if the server requires the client 
                // to authenticate before it will send e-mail on the client's behalf.
                //smtpClient.UseDefaultCredentials = true;
                //smtpClient.Credentials = CredentialCache.DefaultNetworkCredentials;
                smtpClient.Send(Message);

                bState = true;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            return bState;
        }
    }

    #endregion


    // -------------------------------------------------------------------  //


    #region "邮件接收类"

    //
    // TODO: Add some code here
    //

    #endregion
}