1 <%@ WebHandler Language="C#" Class="SendMailHandler" %>
  2
  3 using System;
  4 using System.Linq;
  5 using System.Web;
  6 using System.Web.SessionState;
  7
  8 using System.Collections.Generic;
  9 using System.Web.Script.Serialization;
 10
 11
 12 using System.Text.RegularExpressions;
 13 using System.Net;
 14 using System.Net.Mail;
 15
 16 public class SendMailHandler : IHttpHandler
 17 {
 18     public void ProcessRequest(HttpContext context)
 19     {
 20         context.Response.ContentType = "text/plain";
 21         JavaScriptSerializer ser = new JavaScriptSerializer();
 22         var form=context.Request.Form;
 23         string email =form["email"]??"";
 24
 25         bool status=false;
 26         string msg="";
 27         string log="";
 28          try
 29          {
 30
 31
 32             var smtpSetting=new Smtp
 33             {
 34                 Port=25 ,
 35                 EnableSsl=false ,
 36                 Host="smtp.qq.com" ,
 37                 Password="******" ,
 38                 UserName="727154187@qq.com" ,
 39                 From="727154187@qq.com" ,
 40                 To=new string[] { "jimei@outlook.com" }
 41             };
 42
 43              Regex reg = new Regex(@"^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$");
 44
 45              if(smtpSetting!=null && !string.IsNullOrEmpty(email) && reg.IsMatch(email))
 46              {
 47
 48                  var template=@"<div>
 49                             <p><b>Gender:</b> <span>$$gender$$</span></p>
 50                             <p><b>Name:</b> <span>$$name$$</span></p>
 51                             <p><b>Email:</b> <span>$$email$$</span></p>
 52                             <p><b>Topic:</b> <span>$$topic$$</span></p>
 53                             <p><b>Content:</b> <span>$$content$$</span></p></div>";
 54                  var g=form["gender"]??"1";
 55
 56                  template=template.Replace("$$gender$$" ,g=="1"?"male":"female");
 57                  template=template.Replace("$$name$$" , form["name"]??"");
 58                  template=template.Replace("$$email$$" , form["email"]??"");
 59                  template=template.Replace("$$topic$$" , form["topic"]??"");
 60                  template=template.Replace("$$content$$" ,form["content"]??"");
 61
 62                  status=SendEmail(smtpSetting , "ContactUs" , template,out log);
 63
 64              }
 65          }
 66          catch(Exception e)
 67          {
 68              msg=e.Message;
 69              status=false;
 70          }
 71          var objRtn = new { result=status.ToString(),Msg=msg,Log=log};
 72         context.Response.Write(ser.Serialize(objRtn));
 73         context.Response.End();
 74     }
 75
 76     private bool SendEmail(Smtp smtpSetting,string subject , string body,out string result)
 77     {
 78         SmtpClient smtpClient = new SmtpClient();
 79         result="";
 80         if(smtpSetting != null)
 81         {
 82             smtpClient.Host = smtpSetting.Host;
 83             smtpClient.Port = smtpSetting.Port;
 84             smtpClient.EnableSsl = smtpSetting.EnableSsl;
 85
 86
 87             if(!String.IsNullOrEmpty(smtpSetting.UserName) && !String.IsNullOrEmpty(smtpSetting.Password))
 88             {
 89                 try
 90                 {
 91                     smtpClient.UseDefaultCredentials = false;
 92                     smtpClient.Credentials = new NetworkCredential(smtpSetting.UserName , smtpSetting.Password);
 93
 94                     if(!string.IsNullOrEmpty(smtpSetting.From) && smtpSetting.To!=null && smtpSetting.To.Length>0)
 95                     {
 96                         MailMessage message = new MailMessage();
 97                         message.From = new MailAddress(smtpSetting.From , smtpSetting.From);
 98                         foreach(string item in smtpSetting.To)
 99                         {
100                             message.To.Add(new MailAddress(item));
101                         }
102                         message.Subject = subject;
103                         message.Body = body;
104                         message.IsBodyHtml = true;
105
106                         smtpClient.Send(message);
107                         return true;
108                     }
109                 }
110                 catch(Exception e)
111                 {
112                     result=e.Message;
113                     return false;
114                 }
115
116             }
117
118         }
119         return false;
120     }
121
122     public bool IsReusable
123     {
124         get
125         {
126             return false;
127         }
128     }
129 }

 1     public   class Smtp
 2     {
 3         public Smtp() { }
 4
 5         public bool EnableSsl { get; set; }
 6         public string From { get; set; }
 7         public string Host { get; set; }
 8         public string Password { get; set; }
 9         public int Port { get; set; }
10         public string[] To { get; set; }
11         public string UserName { get; set; }
12     }