C#实现邮件发送功能

  • 发送邮件所用的核心知识点 
  •   微软封装好的MailMessage类:主要处理发送邮件的内容(如:收发人地址、标题、主体、图片等等)
  •   微软封装好的SmtpClient类:主要处理用smtp方式发送此邮件的配置信息(如:邮件服务器、发送端口号、验证方式等等)
  •   SmtpClient主要进行了三层的封装:Socket --> TcpClient --> SmtpClient
  • 具体代码请看如下所示:  
public class MyEmail

    {

        private MailMessage mMailMessage;   //主要处理发送邮件的内容(如:收发人地址、标题、主体、图片等等)

        private SmtpClient mSmtpClient; //主要处理用smtp方式发送此邮件的配置信息(如:邮件服务器、发送端口号、验证方式等等)

        private int mSenderPort;   //发送邮件所用的端口号(htmp协议默认为25)

        private string mSenderServerHost;    //发件箱的邮件服务器地址(IP形式或字符串形式均可)

        private string mSenderPassword;    //发件箱的密码

        private string mSenderUsername;   //发件箱的用户名(即@符号前面的字符串,例如:[email protected],用户名为:hello)

        private bool mEnableSsl;    //是否对邮件内容进行socket层加密传输

        private bool mEnablePwdAuthentication;  //是否对发件人邮箱进行密码验证



        ///<summary>

        /// 构造函数

        ///</summary>

        ///<param name="server">发件箱的邮件服务器地址</param>

        ///<param name="toMail">收件人地址(可以是多个收件人,程序中是以“;"进行区分的)</param>

        ///<param name="fromMail">发件人地址</param>

        ///<param name="subject">邮件标题</param>

        ///<param name="emailBody">邮件内容(可以以html格式进行设计)</param>

        ///<param name="username">发件箱的用户名(即@符号前面的字符串,例如:[email protected],用户名为:hello)</param>

        ///<param name="password">发件人邮箱密码</param>

        ///<param name="port">发送邮件所用的端口号(htmp协议默认为25)</param>

        ///<param name="sslEnable">true表示对邮件内容进行socket层加密传输,false表示不加密</param>

        ///<param name="pwdCheckEnable">true表示对发件人邮箱进行密码验证,false表示不对发件人邮箱进行密码验证</param>

        public MyEmail(string server, string toMail, string fromMail, string subject, string emailBody, string username, string password, string port, bool sslEnable, bool pwdCheckEnable)

        {

            try

            {

                mMailMessage = new MailMessage();

                mMailMessage.To.Add(toMail);

                mMailMessage.From = new MailAddress(fromMail);

                mMailMessage.Subject = subject;

                mMailMessage.Body = emailBody;

                mMailMessage.IsBodyHtml = true;

                mMailMessage.BodyEncoding = System.Text.Encoding.UTF8;

                mMailMessage.Priority = MailPriority.Normal;

                this.mSenderServerHost = server;

                this.mSenderUsername = username;

                this.mSenderPassword = password;

                this.mSenderPort = Convert.ToInt32(port);

                this.mEnableSsl = sslEnable;

                this.mEnablePwdAuthentication = pwdCheckEnable;

            }

            catch (Exception ex)

            {

                Console.WriteLine(ex.ToString());

            }

        }





        public void Send()

        {

            try

            {

                if (mMailMessage != null)

                {

                    mSmtpClient = new SmtpClient();

                    //mSmtpClient.Host = "smtp." + mMailMessage.From.Host;

                    mSmtpClient.Host = this.mSenderServerHost;

                    mSmtpClient.Port = this.mSenderPort;

                    mSmtpClient.UseDefaultCredentials = false;

                    mSmtpClient.EnableSsl = this.mEnableSsl;

                    if (this.mEnablePwdAuthentication)

                    {

                        System.Net.NetworkCredential nc = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword);

                        //mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword);

                        //NTLM: Secure Password Authentication in Microsoft Outlook Express

                        mSmtpClient.Credentials = nc.GetCredential(mSmtpClient.Host, mSmtpClient.Port, "NTLM");

                    }

                    else

                    {

                        mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword);

                    }

                    mSmtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;

                    mSmtpClient.Send(mMailMessage);

                }

            }

            catch (Exception ex)

            {

                //m_CreateErrorLogTxt("程序池(Email)通知", "邮件发送失败", ex.Message);

            }

        }



    }

转自:http://www.cnblogs.com/mingmingruyuedlut/archive/2011/10/14/2212255.html
        /// <summary>

        /// 发送邮件通知

        /// </summary>

        /// <param name="subjectInfo">标题</param>

        /// <param name="bodyInfo">内容</param>

        public static void Email(string subjectInfo, string bodyInfo)

        {

            try

            {

                var appSettings = System.Configuration.ConfigurationManager.AppSettings;//获取config配置信息               

                string senderServerIp = "mail.zbian.cn";

                string toMailAddress = appSettings["toMailAddress"];//接受方地址

                string fromMailAddress = appSettings["fromMailAddress"];//发送方地址

                string mailUsername = appSettings["mailUsername"]; //发送账户

                string mailPassword = appSettings["mailPassword"]; //发送邮箱的密码

                string mailPort = "25";

                MyEmail email = new MyEmail(senderServerIp, toMailAddress, fromMailAddress, subjectInfo, bodyInfo, mailUsername, mailPassword, mailPort, false, false);

                email.Send();

            }

            catch (Exception ex)

            {

            }

        }

 

    ///添加config配置信息

    Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);

    config.AppSettings.Settings.Add("IsFirstInstall", "true");     

    config.Save(ConfigurationSaveMode.Modified);           

    ConfigurationManager.RefreshSection("appSettings");



    ///获取config配置信息

    var appSettings = System.Configuration.ConfigurationManager.AppSettings;

 

                  

 

 

 

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