C# Email邮件发送，功能是密码找回或者重置功能。

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Configuration;
  4 using System.IO;
  5 using System.Linq;
  6 using System.Net.Mail;
  7 using System.Text;
  8 using System.Web;
  9 
 10 namespace CalslNum.Helper
 11 {
 12     /// <summary>
 13     ///发送邮件类
 14     /// </summary>
 15     public class MailService
 16     {
 17         /// <summary>  
 18         /// 发送邮件程序调用方法 SendMail("abc@126.com", "某某人", "cba@126.com", "你好", "我测试下邮件", "邮箱登录名", "邮箱密码", "smtp.126.com", true,);  
 19         /// </summary>  
 20         /// <param name="from">发送人邮件地址</param>  
 21         /// <param name="fromname">发送人显示名称</param>  
 22         /// <param name="to">发送给谁（邮件地址）</param>  
 23         /// <param name="subject">标题</param>  
 24         /// <param name="body">内容</param>  
 25         /// <param name="username">邮件登录名</param>  
 26         /// <param name="password">邮件密码</param>  
 27         /// <param name="server">邮件服务器 smtp服务器地址</param>  
 28         /// <param   name= "IsHtml "> 是否是HTML格式的邮件 </param>  
 29         /// <returns>send ok</returns>  
 30         public static bool SendMail(string from, string fromname, string to, string subject, string body, string server, string username, string password, bool IsHtml)
 31         {
 32             //邮件发送类  
 33             MailMessage mail = new MailMessage();
 34             try
 35             {
 36                 //是谁发送的邮件  
 37                 mail.From = new MailAddress(from, fromname);
 38                 //发送给谁  
 39                 mail.To.Add(to);
 40                 //标题  
 41                 mail.Subject = subject;
 42                 //内容编码  
 43                 mail.BodyEncoding = Encoding.Default;
 44                 //发送优先级  
 45                 mail.Priority = MailPriority.High;
 46                 //邮件内容  
 47                 mail.Body = body;
 48                 //是否HTML形式发送  
 49                 mail.IsBodyHtml = IsHtml;
 50                 //邮件服务器和端口  
 51                 SmtpClient smtp = new SmtpClient(server, 25);
 52                 smtp.UseDefaultCredentials = true;
 53                 //指定发送方式  
 54                 smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
 55                 //发件人身份验证,否则163   发不了  
 56                 smtp.UseDefaultCredentials = true;
 57                 //指定登录名和密码  
 58                 smtp.Credentials = new System.Net.NetworkCredential(username, password);
 59                 //超时时间  
 60                 smtp.EnableSsl = false;
 61                 smtp.Timeout = 10000;
 62                 smtp.Send(mail);
 63                 return true;
 64             }
 65             catch (Exception)
 66             {
 67                 return false;
 68             }
 69             finally
 70             {
 71                 mail.Dispose();
 72             }
 73         }
 74 
 75         //读取指定URL地址的HTML，用来以后发送网页用  
 76         public static string ScreenScrapeHtml(string url)
 77         {
 78             //读取stream并且对于中文页面防止乱码  
 79             StreamReader reader = new StreamReader(System.Net.WebRequest.Create(url).GetResponse().GetResponseStream(), System.Text.Encoding.UTF8);
 80             string str = reader.ReadToEnd();
 81             reader.Close();
 82             return str;
 83         }
 84 
 85         //发送plaintxt  
 86         public static bool SendText(string from, string fromname, string to, string subject, string body, string server, string username, string password)
 87         {
 88             return SendMail(from, fromname, to, subject, body, server, username, password, false);
 89         }
 90 
 91         //发送HTML内容  
 92         public static bool SendHtml(string from, string fromname, string to, string subject, string body, string server, string username, string password)
 93         {
 94             return SendMail(from, fromname, to, subject, body, server, username, password, true);
 95         }
 96 
 97         //发送制定网页  
 98         public static bool SendWebUrl(string from, string fromname, string to, string subject, string server, string username, string password, string url)
 99         {
100             //发送制定网页  
101             return SendHtml(from, fromname, to, subject, ScreenScrapeHtml(url), server, username, password);
102 
103         }
104         //默认发送格式  
105         public static bool SendEmailDefault(string ToEmail,string f_username,string f_pass,string f_times)
106         {
107             StringBuilder MailContent = new StringBuilder();
108             MailContent.Append("亲爱的×××会员：<br/>");
109             MailContent.Append("    您好！你于");
110             MailContent.Append(DateTime.Now.ToString("yyyy-MM-dd HH:MM:ss"));
111             MailContent.Append("通过<a href=‘#‘>×××</a>管理中心审请找回密码。<br/>");
112             MailContent.Append("　　　为了安全起见，请用户点击以下链接重设个人密码：<br/><br/>");
113             string url = "http://www.×××.×××/SignIn/Rest?u=" + f_username + "&s=" + f_pass + "&t=" + f_times; 114 MailContent.Append("<a href=‘" + url + "‘>" + url + "</a><br/><br/>"); 115 MailContent.Append(" (如果无法点击该URL链接地址，请将它复制并粘帖到浏览器的地址输入框，然后单击回车即可。)"); 116 return SendHtml(ConfigurationManager.AppSettings["EmailName"].ToString(), "会员管理中心", ToEmail, "×××找回密码", MailContent.ToString(), ConfigurationManager.AppSettings["EmailService"].ToString(), ConfigurationManager.AppSettings["EmailName"].ToString(), ConfigurationManager.AppSettings["EmailPass"].ToString()); //这是从webconfig中自己配置的。 117 } 118 } 119 }

webconfig配置信息

1  <add key="EmailName" value="××××@163.com"/>
2  <add key="EmailPass" value="××××"/>
3  <add key="EmailService" value="smtp.163.com"/>
4 
5 //说明： 这里面的"EmailService"得与你自己设置邮箱的smtp/POP3/...服务要相同， 大部分是根据@后面的进行配置。我是用163邮箱配置的。 可以根据自己需要自己配置。

后台调用的方法

 1  public ActionResult SendEmail(string EmailName)
 2         {
 3             EmailName = Helper.FI_DesTools.DesDecrypt(EmailName);
 4             if (!Regex.IsMatch(EmailName, @"\w+([-+.‘]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"))
 5             {
 6                 return Content("0");
 7             }
 8             string f_username = "";
 9             string f_pass = "";
10             string f_times = Helper.FI_DesTools.DesEncrypt(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
11             List<user> list = (from a in users where a.emailaddress == EmailName select a).ToList();
12             if (list.Count > 0)
13             {                
14                 f_username = Helper.FI_DesTools.DesEncrypt(list[0].×××);
15                 f_pass = Helper.FI_DesTools.DesEncrypt(list[0].×××);
16 
17                 bool flag = Helper.MailService.SendEmailDefault(EmailName, “×××”,“×××”, “×××”);  //这里面的参数根据自己需求自己定，最好进行加密
18                 if (flag)
19                 {
20                     return Content("true");
21                 }
22                 else
23                 {
24                     return Content("false");
25                 }
26             }
27             else {
28                 return Content("false");
29             }
30         }