c# 发送邮件、附件

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WinForm窗体代码如下:

<span style="font-size:14px;">using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;<span style="color:#ff0000;">//要添加的引用如下</span>using System.Net.Mail;using System.Net.Mime;using System.Timers;using System.IO;namespace NovelCS { public partial class Form3 : Form { public Form3() { InitializeComponent(); } private void Form3_Load(object sender, EventArgs e) { //一些常见的发送邮件服务器地址 一般都是 stmp.**.com **=qq 或 126 或163 或 gmail 有例外的,具体问度娘 string senderServerIp = "smtp.qq.com"; string toMailAddress = "[email protected]"; string fromMailAddress = "[email protected]"; string subjectInfo = "My First Email"; string bodyInfo [email protected]"Hello Jackerson, /r/n This is my first testing e_mail.But what all thess is froman author named Eric Sun. Thank you,Eric Sun."; string mailUsername = "1449740504"; string mailPassword = "******"; //发送人邮箱的密码 string mailPort = "25"; //邮箱端口号 string attachPath = "D://jsj.txt; D://jsj2.txt";//附件本地地址 MyEmail email = new MyEmail(senderServerIp, toMailAddress, fromMailAddress, subjectInfo, bodyInfo, mailUsername, mailPassword, mailPort, false, false); email.AddAttachments(attachPath); email.Send(); } } public class MyEmail { private MailMessage me;//主要处理发送邮件的内容,例:收发件人地址、标题、主体、图片 private SmtpClient sc; //主要处理用smtp发送邮件的配置信息,例:发送邮件服务器地址、发送端口号、验证方式 private int mSenderPort; //发送邮件所用的端口号(htmp协议默认为25) 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) 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) private string mSenderPassword; //发件箱的密码 private bool mEnableSsl; //是否对邮件内容进行socket层加密传输 private bool mEnablePwdAuthentication;//是否对发件人邮箱进行密码验证 ///<summary> /// <strong><span style="color:#ff0000;">构造函数</span></strong> ///</summary> ///<param name="server">发件箱的邮件服务器地址</param> ///<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> ///<param name="fromMail">发件人地址</param> ///<param name="subject">邮件标题</param> ///<param name="emailBody">邮件内容(可以以html格式进行设计)</param> ///<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> ///<param name="password">发件人邮箱密码</param> ///<param name="port">发送邮件所用的端口号(htmp协议默认为25)</param> ///<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> ///<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> public MyEmail(string server, string toMailAddress, string fromMailAddress, string emailTitle, string emailBody, string username, string password, string port, bool sslEnable, bool pwdCheckEnable) { try { me = new MailMessage(); me.To.Add(toMailAddress); me.From = new MailAddress(fromMailAddress); me.Subject = emailTitle; me.Body = emailBody; me.IsBodyHtml = true; me.BodyEncoding = System.Text.Encoding.UTF8; me.Priority = MailPriority.Normal; this.mSenderServerHost = server; this.mSenderUserName = username; this.mSenderPassword = password; this.mSenderPort = Convert.ToInt32(port); this.mEnableSsl = sslEnable; this.mEnablePwdAuthentication = pwdCheckEnable; } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } ///<summary> /// <strong><span style="color:#ff0000;">添加附件</span></strong> ///</summary> ///<param name="attachmentsPath">附件的路径集合,以分号分隔</param> public void AddAttachments(string attachmentsPath) { try { string[] path = attachmentsPath.Split(';'); //以什么符号分隔可以自定义 Attachment data; ContentDisposition disposition; for (int i = 0; i < path.Length; i++) { data = new Attachment(path[i], MediaTypeNames.Application.Octet); disposition = data.ContentDisposition; disposition.CreationDate = File.GetCreationTime(path[i]); disposition.ModificationDate = File.GetLastWriteTime(path[i]); disposition.ReadDate = File.GetLastAccessTime(path[i]); me.Attachments.Add(data); } } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } ///<summary> /// <strong><span style="color:#ff0000;">邮件的发送</span></strong> ///</summary> public void Send() { try { if (me != null) { sc = new SmtpClient(); //mSmtpClient.Host = "smtp." + mMailMessage.From.Host; sc.Host = this.mSenderServerHost; sc.Port = this.mSenderPort; sc.UseDefaultCredentials = false; sc.EnableSsl = this.mEnableSsl; if (this.mEnablePwdAuthentication) { System.Net.NetworkCredential nc = new System.Net.NetworkCredential(this.mSenderUserName, this.mSenderPassword); //mSmtpClient.Credentials = new System.Net.NetworkCredential(this.mSenderUsername, this.mSenderPassword); //NTLM: Secure Password Authentication in Microsoft Outlook Express sc.Credentials = nc.GetCredential(sc.Host, sc.Port, "NTLM"); } else { sc.Credentials = new System.Net.NetworkCredential(this.mSenderUserName, this.mSenderPassword); } sc.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network; sc.Send(me); } } catch (Exception ex) { Console.WriteLine(ex.ToString()); } } } }</span>

备注:

(1)经过测试,确实可以使用。

(2)本文出处:Eric Sun(http://www.cnblogs.com/mingmingruyuedlut/archive/2011/10/14/2212255.html)

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