- 发送邮件所用的核心知识点
- 微软封装好的MailMessage类：主要处理发送邮件的内容（如：收发人地址、标题、主体、图片等等）
- 微软封装好的SmtpClient类：主要处理用smtp方式发送此邮件的配置信息（如：邮件服务器、发送端口号、验证方式等等）
- SmtpClient主要进行了三层的封装：Socket --> TcpClient --> SmtpClient
- 具体代码请看如下所示：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Net.Mail; 6 using System.Net.Mime; 7 using System.IO; 8 using System.Timers; 9 using System.Xml; 10 11 namespace MyEmailTest 12 { 13 class Program 14 { 15 static void Main(string[] args) 16 { 17 try 18 { 19 //smtp.163.com 20 string senderServerIp = "123.125.50.133"; 21 //smtp.gmail.com 22 //string senderServerIp = "74.125.127.109"; 23 //smtp.qq.com 24 //string senderServerIp = "58.251.149.147"; 25 //string senderServerIp = "smtp.sina.com"; 26 string toMailAddress = "[email protected]"; 27 string fromMailAddress = "[email protected]"; 28 string subjectInfo = "Test sending e_mail"; 29 string bodyInfo = "Hello Eric, This is my first testing e_mail"; 30 string mailUsername = "mingmingruyuedlut"; 31 string mailPassword = ".........."; //发送邮箱的密码（） 32 string mailPort = "25"; 33 string attachPath = "E:\\123123.txt; E:\\haha.pdf"; 34 35 MyEmail email = new MyEmail(senderServerIp, toMailAddress, fromMailAddress, subjectInfo, bodyInfo, mailUsername, mailPassword, mailPort, false, false); 36 email.AddAttachments(attachPath); 37 email.Send(); 38 } 39 catch (Exception ex) 40 { 41 Console.WriteLine(ex.ToString()); 42 } 43 } 44 } 45 46 public class MyEmail 47 { 48 private MailMessage mMailMessage; //主要处理发送邮件的内容（如：收发人地址、标题、主体、图片等等） 49 private SmtpClient mSmtpClient; //主要处理用smtp方式发送此邮件的配置信息（如：邮件服务器、发送端口号、验证方式等等） 50 private int mSenderPort; //发送邮件所用的端口号（htmp协议默认为25） 51 private string mSenderServerHost; //发件箱的邮件服务器地址（IP形式或字符串形式均可） 52 private string mSenderPassword; //发件箱的密码 53 private string mSenderUsername; //发件箱的用户名（即@符号前面的字符串，例如：[email protected]，用户名为：hello） 54 private bool mEnableSsl; //是否对邮件内容进行socket层加密传输 55 private bool mEnablePwdAuthentication; //是否对发件人邮箱进行密码验证 56 57 ///<summary> 58 /// 构造函数 59 ///</summary> 60 ///<param name="server">发件箱的邮件服务器地址</param> 61 ///<param name="toMail">收件人地址（可以是多个收件人，程序中是以“;"进行区分的）</param> 62 ///<param name="fromMail">发件人地址</param> 63 ///<param name="subject">邮件标题</param> 64 ///<param name="emailBody">邮件内容（可以以html格式进行设计）</param> 65 ///<param name="username">发件箱的用户名（即@符号前面的字符串，例如：[email protected]，用户名为：hello）</param> 66 ///<param name="password">发件人邮箱密码</param> 67 ///<param name="port">发送邮件所用的端口号（htmp协议默认为25）</param> 68 ///<param name="sslEnable">true表示对邮件内容进行socket层加密传输，false表示不加密</param> 69 ///<param name="pwdCheckEnable">true表示对发件人邮箱进行密码验证，false表示不对发件人邮箱进行密码验证</param> 70 public MyEmail(string server, string toMail, string fromMail, string subject, string emailBody, string username, string password, string port, bool sslEnable, bool pwdCheckEnable) 71 { 72 try 73 { 74 mMailMessage = new MailMessage(); 75 mMailMessage.To.Add(toMail); 76 mMailMessage.From = new MailAddress(fromMail); 77 mMailMessage.Subject = subject; 78 mMailMessage.Body = emailBody; 79 mMailMessage.IsBodyHtml = true; 80 mMailMessage.BodyEncoding = System.Text.Encoding.UTF8; 81 mMailMessage.Priority = MailPriority.Normal; 82 this.mSenderServerHost = server; 83 this.mSenderUsername = username; 84 this.mSenderPassword = password; 85 this.mSenderPort = Convert.ToInt32(port); 86 this.mEnableSsl = sslEnable; 87 this.mEnablePwdAuthentication = pwdCheckEnable; 88 } 89 catch (Exception ex) 90 { 91 Console.WriteLine(ex.ToString()); 92 } 93 } 94 95 ///<summary> 96 /// 添加附件 97 ///</summary> 98 ///<param name="attachmentsPath">附件的路径集合，以分号分隔</param> 99 public void AddAttachments(string attachmentsPath) 100 { 101 try 102 { 103 string[] path = attachmentsPath.Split(‘;‘); //以什么符号分隔可以自定义 104 Attachment data; 105 ContentDisposition disposition; 106 for (int i = 0; i < path.Length; i++) 107 { 108 data = new Attachment(path[i], MediaTypeNames.Application.Octet); 109 disposition = data.ContentDisposition; 110 disposition.CreationDate = File.GetCreationTime(path[i]); 111 disposition.ModificationDate = File.GetLastWriteTime(path[i]); 112 disposition.ReadDate = File.GetLastAccessTime(path[i]); 113 mMailMessage.Attachments.Add(data); 114 } 115 } 116 catch (Exception ex) 117 { 118 Console.WriteLine(ex.ToString()); 119 } 120 } 121 122 ///<summary> 123 /// 邮件的发送 124 ///</summary> 125 public void Send() 126 { 127 try 128 { 129 if (mMailMessage != null) 130 { 131 mSmtpClient = new SmtpClient(); 132 //mSmtpClient.Host = "smtp." + mMailMessage.From.Host; 133 mSmtpClient.Host = this.mSenderServerHost; 134 mSmtpClient.Port = this.mSenderPort; 135 mSmtpClient.UseDefaultCredentials = false; 136 mSmtpClient.EnableSsl = this.mEnableSsl; 137 if (this.mEnablePwdAuthentication) 138 { 139 System.Net.NetworkCredential nc = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword); 140 //mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword); 141 //NTLM: Secure Password Authentication in Microsoft Outlook Express 142 mSmtpClient.Credentials = nc.GetCredential(mSmtpClient.Host, mSmtpClient.Port, "NTLM"); 143 } 144 else 145 { 146 mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword); 147 } 148 mSmtpClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; 149 mSmtpClient.Send(mMailMessage); 150 } 151 } 152 catch (Exception ex) 153 { 154 Console.WriteLine(ex.ToString()); 155 } 156 } 157 } 158 }
时间： 2024-11-22 17:47:41