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=http://www.mamicode.com/‘#‘>×××管理中心审请找回密码。
");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=http://www.mamicode.com/‘" + 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                 else23                 {24                     return Content("false");25                 }26             }27             else {28                 return Content("false");29             }30         }