StreamingNotifications不适用于Office 365/Exchange Online

问题描述：

我开发了一个小型控制台应用程序来测试EWS StreamingSubscriptions/Notifications。过去我们使用推送通知，但理论上，在使用StreamingNotifications时，我应该能够避免创建监听器http端点及其所有问题（防火墙等）。StreamingNotifications不适用于Office 365/Exchange Online

所以，从我的本地机器;我这样做：

static void Main(string[] args) 
    { 
     if (String.IsNullOrEmpty(ConfigurationManager.AppSettings["PrimaryLabUserId"])) 
     { 
      throw new ArgumentNullException("Please provide a value for PrimaryLabUserId in app.config"); 
     } 
     _primaryLabUserId = ConfigurationManager.AppSettings["PrimaryLabUserId"]; 

     string ServiceAccountName = ConfigurationManager.AppSettings["ExchangeServiceAccountName"]; 
     string ServiceAccountPassword = ConfigurationManager.AppSettings["ExchangeServiceAccountPassword"]; 


     _service = new ExchangeService(ExchangeVersion.Exchange2010_SP2); 
     _service.Credentials = new WebCredentials(ServiceAccountName, ServiceAccountPassword); 
     _service.AutodiscoverUrl(_primaryLabUserId, (x) => true); 
     _ewsUrl = _service.Url.AbsoluteUri; 

     var _connection = new StreamingSubscriptionConnection(_service, 30); 

     var sub = SubscribeForStreamingNotifications(); 

     _connection.AddSubscription(sub); 

     _connection.OnDisconnect += 
      new StreamingSubscriptionConnection.SubscriptionErrorDelegate(OnDisconnect); 

     // set up subscriptions here. 
     _connection.OnNotificationEvent += 
        new StreamingSubscriptionConnection.NotificationEventDelegate(OnNewMail); 

     _connection.Open(); 
     Console.WriteLine("Listening streaming..."); 
     Console.ReadLine(); 


    } 

public static StreamingSubscription SubscribeForStreamingNotifications() 
    { 

        var folderIds = new List<FolderId>() 
     { 
      WellKnownFolderName.Inbox, 
      WellKnownFolderName.Calendar 
     }; 

        var eventTypes = new List<EventType>(); 
     eventTypes.Add(EventType.NewMail); 
     eventTypes.Add(EventType.Deleted); 
     eventTypes.Add(EventType.Moved); 
     eventTypes.Add(EventType.Created); 
     eventTypes.Add(EventType.Modified); 

     return _service.SubscribeToStreamingNotifications(folderIds, eventTypes.ToArray()); 
    } 

private static void OnNewMail(object sender, NotificationEventArgs args) 
    { 
     var test = args; 
     Console.WriteLine("Incoming"); 
    }

认购初始化OK，但是当我发送新邮件到LabUser没有任何反应。通知事件不会触发。我尝试pushnotifications一样，它正在工作（在另一台服务器上有一个公共http端点用于交换回叫）。我想知道这可能与我的本地机器有什么关系。

答

我多么愚蠢。我忘了模仿。由于我使用服务帐户呼叫EWS，因此它当然会在该帐户的邮箱中侦听，除非您指定：

_service.ImpersonatedUserId = new ImpersonatedUserId(ConnectingIdType.SmtpAddress, _primaryLabUserId);

StreamingNotifications不适用于Office 365/Exchange Online

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