最近项目中需要用到exchange的操作，就参照msdn弄了一个简单的操作类。目前先实现了，发送邮件和拉取收件箱的功能，其他的以后在慢慢的添加。
using Microsoft.Exchange.WebServices.Data; using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Text; using System.Threading.Tasks; namespace WebSite.Utilities.Mail { /// <summary> /// exchange邮件客户端类 /// </summary> public class ExChangeMailClient { /// <summary> /// exchange服务对象 /// </summary> private static ExchangeService _exchangeService = new ExchangeService(ExchangeVersion.Exchange2010_SP1); /// <summary> /// 获取收件箱 /// </summary> /// <param name="userId">当前用户名</param> /// <param name="pwd">密码</param> /// <param name="domain">域</param> /// <param name="pageSize">一次加载的数量</param> /// <param name="offset">偏移量</param> /// <returns></returns> public static List<Email> GetInbox(string userId, string pwd, string domain, int pageSize, int offset) { try { if (string.IsNullOrEmpty(userId) || string.IsNullOrEmpty(pwd) || string.IsNullOrEmpty(domain)) { throw new ArgumentNullException("当前用户信息为空，无法访问exchange服务器"); } List<Email> lstEmails = new List<Email>(); _exchangeService.Credentials = new NetworkCredential(userId, pwd, domain); _exchangeService.Url = new Uri(WebConfig.ExchangeServerUrl); ItemView view = new ItemView(pageSize, offset); FindItemsResults<Item> findResults = _exchangeService.FindItems(WellKnownFolderName.Inbox, SetFilter(), view); foreach (Item item in findResults.Items) { item.Load(PropertySet.FirstClassProperties); lstEmails.Add(new Email() { ExchangeItemId = item.Id.ChangeKey, body = item.Body.Text, Mail_cc = item.DisplayCc, Mail_from = item.LastModifiedName, IsRead = item.IsNew, Subject = item.Subject, CreateOn = item.DateTimeCreated }); } return lstEmails; } catch (Exception ex) { throw ex; } } /// <summary> /// 根据用户邮件地址返回用户的未读邮件数 /// </summary> /// <param name="user"></param> /// <returns></returns> public static int GetUnReadMailCountByUserMailAddress(string userId, string pwd, string domain, string email) { int unRead = 0; try { _exchangeService.Credentials = new NetworkCredential(userId, pwd, domain); _exchangeService.Url = new Uri(WebConfig.ExchangeServerUrl); _exchangeService.ImpersonatedUserId = new Microsoft.Exchange.WebServices.Data.ImpersonatedUserId(Microsoft.Exchange.WebServices.Data.ConnectingIdType.SmtpAddress, email); unRead = Microsoft.Exchange.WebServices.Data.Folder.Bind(_exchangeService, Microsoft.Exchange.WebServices.Data.WellKnownFolderName.Inbox).UnreadCount; } catch (Exception ex) { throw ex; } return unRead; } /// <summary> /// 过滤器 /// </summary> /// <returns></returns> private static SearchFilter SetFilter() { List<SearchFilter> searchFilterCollection = new List<SearchFilter>(); //searchFilterCollection.Add(new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, false)); //searchFilterCollection.Add(new SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, true)); //筛选今天的邮件 SearchFilter start = new SearchFilter.IsGreaterThanOrEqualTo(EmailMessageSchema.DateTimeCreated, Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd 00:00:00"))); SearchFilter end = new SearchFilter.IsLessThanOrEqualTo(EmailMessageSchema.DateTimeCreated, Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd 23:59:59"))); searchFilterCollection.Add(start); searchFilterCollection.Add(end); SearchFilter filter = new SearchFilter.SearchFilterCollection(LogicalOperator.And, searchFilterCollection.ToArray()); return filter; } /// <summary> /// 发送邮件 /// </summary> /// <param name="email"></param> /// <returns></returns> public static void SendMail(Email email, string userId, string pwd, string domain) { try { _exchangeService.Credentials = new NetworkCredential(userId, pwd, domain); _exchangeService.Url = new Uri(WebConfig.ExchangeServerUrl); //发送人 Mailbox mail = new Mailbox(email.Mail_from); //邮件内容 EmailMessage message = new EmailMessage(_exchangeService); string[] strTos = email.Mail_to.Split(';'); //接收人 foreach (string item in strTos) { if (!string.IsNullOrEmpty(item)) { message.ToRecipients.Add(item); } } //抄送人 foreach (string item in email.Mail_cc.Split(';')) { if (!string.IsNullOrEmpty(item)) { message.CcRecipients.Add(item); } } //邮件标题 message.Subject = email.Subject; //邮件内容 message.Body = new MessageBody(email.body); //发送并且保存 message.SendAndSaveCopy(); } catch (Exception ex) { throw new Exception("发送邮件出错，" + ex.Message + "\r\n" + ex.StackTrace); } } } }
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