1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6 using System.Net.Mail; 7 using System.Net.Mime; 8 using System.Net; 9 using System.IO; 10 11 namespace TestForm 12 { 13 class Email 14 { 15 string smtpHost = string.Empty; 16 string Sendmailaddress = string.Empty; 17 string Sendpassword = string.Empty; 18 string SendDisplayname = string.Empty; 19 string Recevivemailaddress = string.Empty; 20 string ReceviveDisplayname = string.Empty; 21 22 /// <summary> 23 /// 24 /// </summary> 25 /// <param name="host">主机号</param> 26 /// <param name="sendmailaddress">发送人邮箱地址</param> 27 /// <param name="sendpassword">发送邮箱密码</param> 28 /// <param name="sendDisplayname">发送人显示名称</param> 29 /// <param name="recevivemailaddress">接收人邮箱地址</param> 30 /// <param name="receviveDisplayname">接收人显示名称</param> 31 public Email(string host, string sendmailaddress, string sendpassword, string sendDisplayname, string recevivemailaddress, string receviveDisplayname) 32 { 33 smtpHost = host; 34 Sendmailaddress = sendmailaddress; 35 Sendpassword = sendpassword; 36 SendDisplayname = sendDisplayname; 37 Recevivemailaddress = recevivemailaddress; 38 ReceviveDisplayname = receviveDisplayname; 39 } 40 41 /// <summary> 42 /// 发送邮件功能 43 /// </summary> 44 /// <param name="mailsubject">邮件标题</param> 45 /// <param name="mailbody">邮件主要内容</param> 46 /// <param name="isadddocument">是否添加附件</param> 47 /// <param name="documentpath">添加附件的文件路径列表</param> 48 /// <returns></returns> 49 public bool Sendmail(string mailsubject, string mailbody, bool isadddocument, List<string> documentpath) 50 { 51 bool sendstatus = false; 52 try 53 { 54 System.Net.Mail.SmtpClient client = new System.Net.Mail.SmtpClient(smtpHost); //确定smtp服务器地址。实例化一个Smtp客户端 55 MailAddress from = new MailAddress(Sendmailaddress, SendDisplayname, Encoding.UTF8);//构造一个发件人地址对象 56 MailAddress to = new MailAddress(Recevivemailaddress, ReceviveDisplayname, Encoding.UTF8);//构造一个收件人地址对象 57 MailMessage message = new MailMessage(from, to);//构造一个Email的Message对象 58 59 message.Subject = mailsubject; 60 message.SubjectEncoding = Encoding.UTF8; 61 message.Body = mailbody; 62 message.BodyEncoding = Encoding.UTF8; 63 64 //设置邮件的信息 65 client.DeliveryMethod = SmtpDeliveryMethod.Network; 66 message.BodyEncoding = System.Text.Encoding.UTF8; 67 message.IsBodyHtml = false; 68 69 //如果服务器支持安全连接，则将安全连接设为true。 70 //如果是gmail则一定要将其设为true 71 if (smtpHost == "smpt.gmail.com") 72 client.EnableSsl = true; 73 else 74 client.EnableSsl = false; 75 76 if (isadddocument == true) 77 { 78 AddDocument(message, documentpath); 79 } 82 client.UseDefaultCredentials = false; 83 //用户登陆信息 84 NetworkCredential myCredentials = new NetworkCredential(Sendmailaddress, Sendpassword); 85 client.Credentials = myCredentials; 86 //发送邮件 87 client.Send(message); 88 sendstatus = true; 89 } 90 catch { } 91 return sendstatus; 92 } 93 94 /// <summary> 95 /// 添加附件功能 96 /// </summary> 97 /// <param name="message">Mailmessage对象</param> 98 /// <param name="Documentpath">附件路径列表</param> 99 private void AddDocument(MailMessage message, List<string> Documentpath) 100 { 101 foreach(string filepath in Documentpath) 102 { 103 try 104 { 105 if (File.Exists(filepath)) //判断文件是否存在 106 { 107 Attachment attach = new Attachment(filepath); //构造一个附件对象 108 ContentDisposition disposition = attach.ContentDisposition; //得到文件的信息 109 disposition.CreationDate = System.IO.File.GetCreationTime(filepath); 110 disposition.ModificationDate = System.IO.File.GetLastWriteTime(filepath); 111 disposition.ReadDate = System.IO.File.GetLastAccessTime(filepath); 112 message.Attachments.Add(attach); //向邮件添加附件 113 } 114 } 115 catch { } 116 } 117 } 118 } 119 }
做网站的时候用到，看到一篇博文：http://www.cnblogs.com/youring2/archive/2008/11/29/1343911.html
深感有用，特小修并写成类，希望能帮人帮己~