1,在AD管理器,每个用户的属性中可以设置.
2,在exchange系统管理器,存储组属性上可以对存储组中的所有用户邮箱进行限制.
这两种方式对用户的设置自然是方便了,但对我们编程获取邮箱限量却造成了很多麻烦.
注: 公司的产品遇到了这个问题,绵延2年没解决,其间数次造访ms的技术支持,无果.汗～～～
幸好,06年代码终于出来了.
实现思路: 首先访问AD,看AD中有无设置,若无,则从AD中取出用户所在的exchange存储组路径，然后调用exchange系统管理的组件(必须在代码运行的机器上安装exchange系统管理)，获取某个存储的邮箱容量限制。
| 以下是代码片段： using System; using System.Collections ; using System.DirectoryServices; //用户缓存 private static Hashtable _UserQuotaList = new Hashtable() ; /// <summary> /// 获取用户邮箱限量，缓存处理 /// @author:jianyi0115@163.com /// </summary> /// <param name="userAccount"></param> /// <returns></returns> public static int GetMailboxQuota( string userAccount ) { if( _UserQuotaList.ContainsKey(userAccount) ) return Convert.ToInt32( _UserQuotaList[userAccount] ) ; int limit = GetMailboxQuotaFromServer( userAccount ); _UserQuotaList.Add( userAccount , limit ) ; return limit ; } /// <summary> /// 从服务器获取用户邮箱限量 /// </summary> /// <param name="userAccount"></param> /// <returns></returns> public static int GetMailboxQuotaFromServe( string userAccount ) { string sEmailAddress = userAccount + "@" + Config.MailDomain ; //用户的邮件 // System.DirectoryServices.DirectoryEntry adsiTop = // new System.DirectoryServices.DirectoryEntry ( "LDAP://xhdcpdom0001" ,"Centralism", "App1234"); System.DirectoryServices.DirectoryEntry adsiTop = new System.DirectoryServices.DirectoryEntry ( Config.ADServerPath ,Config.ADAdministrator, Config.ADAdministratorPassword ); System.DirectoryServices.DirectorySearcher adsiSearcher = new DirectorySearcher(adsiTop); adsiSearcher.Filter = "(mail="+sEmailAddress+")" ; adsiSearcher.PropertiesToLoad.Add("mdboverhardquotalimit") ; adsiSearcher.PropertiesToLoad.Add("homemdb") ; adsiSearcher.PropertiesToLoad.Add("mdbusedefaults") ; adsiSearcher.PropertiesToLoad.Add("msExchHomeServerName") ; System.DirectoryServices.SearchResult adsiResult = adsiSearcher.FindOne() ; if( adsiResult == null ) { adsiSearcher.Filter = "(anr=SMTP:" + sEmailAddress + ")" ; adsiSearcher.PropertiesToLoad.Add("mdboverhardquotalimit") ; adsiSearcher.PropertiesToLoad.Add("homemdb") ; adsiSearcher.PropertiesToLoad.Add("mdbusedefaults") ; adsiResult = adsiSearcher.FindOne(); } if( adsiResult == null ) { adsiSearcher.Dispose(); adsiTop.Dispose() ; return 0 ; } //使用默认设置 if( adsiResult.Properties["mdbusedefaults"] ! = null && adsiResult.Properties["mdbusedefaults"][0]. ToString().ToLower() == "true" ) { string homeDb = adsiResult.Properties["homemdb"][0].ToString(); adsiSearcher.Dispose(); adsiTop.Dispose() ; return GetHomeDbMailboxQuota( homeDb ) ; } //非默认设置 且AD设置为空 if( adsiResult.Properties["mdboverhardquotalimit"] == null ) { string homeDb = adsiResult.Properties["homemdb"][0].ToString(); adsiSearcher.Dispose(); adsiTop.Dispose() ; return GetHomeDbMailboxQuota( homeDb ) ; } else { string limit = adsiResult.Properties["mdboverhardquotalimit"][0].ToString(); adsiSearcher.Dispose(); adsiTop.Dispose() ; return Convert.ToInt32( limit ); } } private static Hashtable _HomeDbQuotaList = new Hashtable() ; /// <summary> /// 从获取exchange服务器存储组邮箱限量，缓存处理 /// </summary> /// <param name="dn"></param> /// <returns></returns> static private int GetHomeDbMailboxQuota( string dn ) { if( _HomeDbQuotaList.ContainsKey( dn ) ) return Convert.ToInt32( _HomeDbQuotaList[dn] ) ; string path = Config.ADServerPath ; if( !path.EndsWith( "/" ) ) path += "/"; path += dn ; CDOEXM.MailboxStoreDB mdb = new CDOEXM.MailboxStoreDBClass(); mdb.DataSource.Open( path , null, ADODB.ConnectModeEnum.adModeRead, ADODB.RecordCreateOptionsEnum.adFailIfNotExists , ADODB.RecordOpenOptionsEnum.adOpenSource, Config.ADAdministrator, Config.ADAdministratorPassword ); int limit = mdb.HardLimit ; mdb = null ; try { _HomeDbQuotaList.Add( dn , limit ) ; } catch{} return limit; } |