发送邮件找回密码采用outlook的 pop和smtp方式、qq邮箱smtp

一、outlook的pop方式,并指定发送人邮箱地址：

需要引入dll：Microsoft.Office.Interop.Outlook

                Outlook.Application olApp = new Outlook.Application();

                NameSpace ns = olApp.GetNamespace("mapi");
                ns.Logon(Missing.Value, Missing.Value, false, true);

                Outlook.MailItem mailItem = (Outlook.MailItem)olApp.CreateItem(Outlook.OlItemType.olMailItem);

                mailItem.To = Email;
                mailItem.Subject = "密码找回";
                mailItem.BodyFormat = Outlook.OlBodyFormat.olFormatHTML;
                mailItem.HTMLBody = "验证码是: " + code + "，请在10分钟内进行验证。验证码提供给他人可能导致账号被盗，请勿泄露，谨防被骗。系统邮件请勿回复。"; ;


                Outlook.Account account = GetAccountForEmailAddress(olApp, autolooksendemail);
                mailItem.SendUsingAccount = account;


                ((Outlook._MailItem)mailItem).Send();

                ns.Logoff();

                mailItem = null;
                ns = null;
                olApp = null;

　　

  public  Outlook.Account GetAccountForEmailAddress(Outlook.Application application, string smtpAddress)
        {

            // Loop over the Accounts collection of the current Outlook session. 
            Outlook.Accounts accounts = application.Session.Accounts;
            
            foreach (Outlook.Account account in accounts)
            {
                logger.Info("Outlook.Account：" + account.SmtpAddress);
                // When the e-mail address matches, return the account. 
                if (account.SmtpAddress == smtpAddress)
                {
                    return account;
                }
            }
            throw new System.Exception(string.Format("No Account with SmtpAddress: {0} exists!", smtpAddress));
        }

其中指定的邮箱autolooksendemail应该包含在内。若不在，则添加，步骤如下：

1、打开客户端

2、添加账户

 

 不推荐此方式，因为用exchange方式不安全。

二、outlook的smtp方式：

需要引用System.Net.Mail.dll 

 SmtpClient smtpClient = new SmtpClient()
                {
                    UseDefaultCredentials = false,
                    DeliveryMethod = SmtpDeliveryMethod.Network,
                };

                smtpClient.Credentials = new NetworkCredential(sendeaccount, autolooksendemailPwd);

                var message = new MailMessage
                {
                    From = new MailAddress(autolooksendemail),
                    Sender = new MailAddress(autolooksendemail),
                    Subject = "密码找回",
                    IsBodyHtml = false
                };
                message.To.Add(Email);

                message.Body = "验证码是: " + code + "，请在10分钟内进行验证。验证码提供给他人可能导致账号被盗，请勿泄露，谨防被骗。系统邮件请勿回复。";

                smtpClient.Send(message);

                message.Dispose();
                smtpClient.Dispose();

 三、qq邮箱的smtp方式：

需要引入System.Net.Mail.dll 

SmtpClient client = new SmtpClient("smtp.qq.com");   //实例化一个SmtpClient类
                client.UseDefaultCredentials = true;
                MailMessage mail = new MailMessage();  //实例化一个邮件类
                mail.From = new MailAddress("发件人邮箱地址");   //发件人邮箱地址
                mail.To.Add(new MailAddress("收件人邮箱地址"));    //收件人邮箱地址
                mail.Subject = "密码找回";    //邮件标题
                mail.SubjectEncoding = System.Text.Encoding.UTF8;
                mail.Body = "密码找回内容";  //邮件内容     
                mail.BodyEncoding = System.Text.Encoding.UTF8;

                client.EnableSsl = true;    //使用安全加密连接
                client.Credentials = new NetworkCredential(sendEmail, AuthorizationCode);//验证发件人身份(发件人邮箱，邮箱授权码);
                client.Send(mail);  //发送邮件
                mail.Dispose();
                mail = null;
                client.Dispose();
                client = null;

四、生成随机码：

 public static string CreateRandomCode(int length)  //生成由数字和大小写字母组成的验证码
        {
            string list = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM1234567890";
            //list中存放着验证码的元素
            Random random = new Random();
            string code = "";   //验证码
            for (int i = 0; i < length; i++)   //循环6次得到一个伪随机的六位数验证码
            {
                code += list[random.Next(0, list.Length - 1)];
            }
            return code;
        }

随机码一定时间内有效，我采用的是redis。

五、1分钟后可再次发送邮箱随机码

    var timer1 = 60;

    //倒计时
    function TimeDown() {
        $("#timer1").html(timer1);

        if (timer1 > 0) {
            setTimeout(function () { TimeDown(); }, 1000);
        } else if (timer1 <= 0) {
            timer1 = 61;
            $("倒计时显示部分").css("display", "block");
            $("发送按钮显示部分").css("display", "none");
        }
        --timer1;
    };