using log4net;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Text;namespace BLL
{public class emailHandle{private string _serviceType = "SMTP";private string _host;/// <summary>/// 发送者邮箱/// </summary>public string From { get; set; }/// <summary>/// 接收者邮箱列表/// </summary>public List<string> To { get; set; }/// <summary>/// 抄送者邮箱列表/// </summary>public string[] Cc { get; set; }/// <summary>/// 秘抄者邮箱列表/// </summary>public string[] Bcc { get; set; }/// <summary>/// 邮件主题/// </summary>public string Subject { get; set; }/// <summary>/// 邮件内容/// </summary>public string Body { get; set; }/// <summary>/// 是否是HTML格式/// </summary>public bool IsBodyHtml { get; set; }/// <summary>/// 附件列表/// </summary>public string[] Attachments { get; set; }/// <summary>/// 邮箱服务类型(Pop3,SMTP,IMAP,MAIL等)，默认为SMTP/// </summary>public string ServiceType{get { return _serviceType; }set { _serviceType = value; }}/// <summary>/// 邮箱服务器，如果没有定义邮箱服务器，则根据serviceType和Sender组成邮箱服务器/// </summary>public string Host{get { return _host; }set { _host = value; }}/// <summary>/// 邮箱账号(默认为发送者邮箱的账号)/// </summary>public string UserName { get; set; }/// <summary>/// 邮箱密码(默认为发送者邮箱的密码)，默认格式GB2312/// </summary>public string Password { get; set; }/// <summary>/// 邮箱优先级/// </summary>public MailPriority MailPriority { get; set; }/// <summary>///  邮件正文编码格式/// </summary>public Encoding Encoding { get; set; }/// <summary>/// 构造参数，发送邮件，使用方法备注：公开方法中调用/// </summary>public int Send(){var mailMessage = new MailMessage();//读取To  接收者邮箱列表try{if (this.To != null && this.To.Count > 0){foreach (string to in this.To){if (string.IsNullOrEmpty(to)) continue;mailMessage.To.Add(new MailAddress(to.Trim()));}}//读取Cc  抄送者邮件地址if (this.Cc != null && this.Cc.Length > 0){foreach (var cc in this.Cc){if (string.IsNullOrEmpty(cc)) continue;mailMessage.CC.Add(new MailAddress(cc.Trim()));}}//读取Attachments 邮件附件if (this.Attachments != null && this.Attachments.Length > 0){foreach (var attachment in this.Attachments){if (string.IsNullOrEmpty(attachment)) continue;mailMessage.Attachments.Add(new Attachment(attachment));}}//读取Bcc 秘抄人地址if (this.Bcc != null && this.Bcc.Length > 0){foreach (var bcc in this.Bcc){if (string.IsNullOrEmpty(bcc)) continue;mailMessage.Bcc.Add(new MailAddress(bcc.Trim()));}}//读取From 发送人地址mailMessage.From = new MailAddress(this.From);//邮件标题Encoding encoding = Encoding.GetEncoding("GB2312");mailMessage.Subject = this.Subject;//邮件正文是否为HTML格式mailMessage.IsBodyHtml = this.IsBodyHtml;//邮件正文mailMessage.Body = this.Body;mailMessage.BodyEncoding = this.Encoding;//邮件优先级mailMessage.Priority = this.MailPriority;//发送邮件代码实现var smtpClient = new SmtpClient{Host = this.Host,EnableSsl = true,Credentials = new NetworkCredential(this.UserName, this.Password)};
//加这段之前用公司邮箱发送报错：根据验证过程，远程证书无效
//加上后解决问题ServicePointManager.ServerCertificateValidationCallback =
delegate(Object obj, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { return true; };//认证
                smtpClient.Send(mailMessage);return 1;}catch (Exception ex){var loger = LogManager.GetLogger(typeof(emailHandle));loger.Info(string.Format("发送邮件异常,收信邮箱：{0}", this.To[0]), ex);return -1;}}}
}