C# 通过Smtp 完成系统发送邮件

  1 //1. 新建EmailHelper 类
  2 using System;
  3 using System.Collections.Generic;
  4 using System.Configuration;
  5 using System.Linq;
  6 using System.Net.Mail;
  7 using System.Web;
  8 
  9 namespace WebAPI.Common
 10 {
 11     public class EmailHelper
 12     {
 13         private MailMessage msg;
 14         private string[] emailfrom;
 15         private string[] emailto;
 16         private string[] emailcc;
 17         private string[] emailbcc;
 18         private string emailsubject;
 19         private System.Text.StringBuilder emailcontent; 
 20         public EmailHelper()
 21         { 
 22             msg = new MailMessage(); 
 23             Emailpara email = System.Configuration.ConfigurationManager.GetSection("email") as Emailpara;
 24 
 25             emailfrom = email.emailfrom.Split(‘;‘);
 26             emailto = email.emailto.Split(‘;‘);
 27             emailcc = email.emailcc.Split(‘;‘);
 28             emailbcc = email.emailbcc.Split(‘;‘);
 29             emailsubject = email.emailsubject;
 30 
 31             emailcontent = new System.Text.StringBuilder();
 32 
 33             //emailcontent.Append("");
 34//emailcontent.Append("");
 35//emailcontent.Append("");
 36//emailcontent.Append("");
 37//emailcontent.Append("");
 38//emailcontent.Append("");
 39//emailcontent.Append(""); 40        } 
 41publicvoid setContent(string str)
 42        {
 43//ErrorList.AddLast(request);
 44//emailcontent.Append("");
 45//emailcontent.Append("");
 46//emailcontent.Append("");
 47//emailcontent.Append("");
 48//emailcontent.Append("");
 49//emailcontent.Append(""); 50 51            emailcontent.Append(str);
 52 53             emailcontent.Append("
");
 54        }
 55 56publicvoid Send()
 57        {
 58// emailcontent.Append("
             
             
Req_ID
             
Requester
             
Country
             
Env
             

                                      
             
" + request.Req_ID  + "
             
" + request.Requester + "
             
" + request.Country  +"
             
" + request.Env +"
             

 
  
  
                        
"); 
 59             //set emailTo
 60             foreach (string tostr in emailto)
 61             {
 62                 msg.To.Add(tostr);
 63             } 
 65             //set emailCC
 66             if (emailcc.Length > 0 && !String.Empty.Equals(emailcc[0]))
 67             {
 68                 foreach (string ccstr in emailcc)
 69                 {
 70                     msg.CC.Add(ccstr);
 71                 }
 72             } 
 73             //set emailBcc
 74             if (emailbcc.Length > 0 && !String.Empty.Equals(emailbcc[0]))
 75             {
 76 
 77                 foreach (string bccstr in emailbcc)
 78                 {
 79                     msg.Bcc.Add(bccstr);
 80                 }
 81             } 
 82             // set emailFrom
 83             if (emailfrom.Length > 0 && !String.Empty.Equals(emailfrom))
 84                 msg.From = new MailAddress(emailfrom[0]);
 85             else
 86                 msg.From = new MailAddress("DO.NOT.REPLY.TO@Test.COM");
 87 
 88             msg.Subject = emailsubject;
 89             msg.SubjectEncoding = System.Text.Encoding.UTF8;
 90 
 91             msg.BodyEncoding = System.Text.Encoding.UTF8;
 92             msg.IsBodyHtml = true;
 93             msg.Priority = MailPriority.Normal;
 94             string content = "
";
 95             content = content + "table.gridtable th {border-width: 1px;padding: 8px;    border-style: solid;border-color: #666666;background-color: #dedede;}table.gridtable td {border-width: 1px;    padding: 8px;border-style: solid;border-color: #666666;    background-color: #ffffff;}";
 96             content = content + "
An error has occurred  

Following error happened.  
 Details as below . 

";
 97             content = content + emailcontent.ToString();
 98             content = content + "

Team Support 
";
 99 
100             msg.Body = content;
101             msg.BodyEncoding = System.Text.Encoding.UTF8;
102             SmtpClient client = new SmtpClient();
103             client.Host = "localhost"; // important thing, 
104             try
105             {
106                 client.Send(msg);
107             }
108             catch (Exception ex)
109             { 
110 
111             } 
113         }       
115     }
116     public class EmailSectionHandler : IConfigurationSectionHandler
117     {
118         public object Create(object parent, object configContext, System.Xml.XmlNode section)
119         {
120             string emailfrom = section.SelectSingleNode("EmailFrom").InnerText;
121             string emailto = section.SelectSingleNode("EmailTo").InnerText;
122             string emailcc = section.SelectSingleNode("EmailCC").InnerText;
123             string emailbcc = section.SelectSingleNode("EmailBCC").InnerText;
124             string emailsubject = section.SelectSingleNode("EmailSubject").InnerText;
125             Emailpara email = new Emailpara();
126             email.emailfrom = emailfrom;
127             email.emailto = emailto;
128             email.emailcc = emailcc;
129             email.emailbcc = emailbcc;
130             email.emailsubject = emailsubject;
131 
132             return email;
133         }
134     }
135 
136     public class Emailpara
137     {
138         public string emailfrom { get; set; }
139         public string emailto { get; set; }
140         public string emailcc { get; set; }
141         public string emailbcc { get; set; }
142         public string emailsubject { get; set; }
143 
144     }
145 }
146 
147 //2。配置Web.config
148 
149 150   151     
"email" type ="WebAPI.Common.EmailSectionHandler" /> 
152   153 
154   155     DO.NOT.REPLY.TO@Test.COM156     Email Address157     158     159     ERROR Message160   161 162 
163 //3。调用EmailHelper，并发送相关信息
164   EmailHelper email = new EmailHelper();
165             email.setContent("ErrorMessage");
166             email.Send();
   // 以上内容在目前项目SMTP 服务器开启的情况下，可以正常发送邮件

   //4. 配置server 端的SMTP（以下内容：转载，未经自己测试） 

安装 SMTP 服务器

配置 SMTP 服务器