c# - 无法使用 EWS 访问交换设备邮箱

Question

我已经设置了一个Office365设备邮箱，这样我就可以在outlook中打开它(使用打开->其他用户的邮箱)，但是我无法使用C# EWS api访问邮箱。邮箱访问代码:

_service.ImpersonatedUserId = new ImpersonatedUserId(ConnectingIdType.SmtpAddress, delegateBox);
 _inbox = Folder.Bind(_service, WellKnownFolderName.Inbox);

结果是以下异常:

Exception in ProcessWebException
Microsoft.Exchange.WebServices.Data.ServiceResponseException: The SMTP address has no mailbox associated with it.
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ProcessWebException(WebException webException)
at   Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(HttpWebRequest request)
at Microsoft.Exchange.WebServices.Data.SimpleServiceRequestBase.InternalExecute()
at Microsoft.Exchange.WebServices.Data.MultiResponseServiceRequest`1.Execute()
at Microsoft.Exchange.WebServices.Data.ExchangeService.BindToFolder(FolderId folderId, PropertySet propertySet)
at Microsoft.Exchange.WebServices.Data.ExchangeService.BindToFolder[TFolder](FolderId folderId, PropertySet propertySet)
at Microsoft.Exchange.WebServices.Data.Folder.Bind(ExchangeService service, WellKnownFolderName name)

Answer 1

检查 delegateBox 是否确实对应于该用户的电子邮件。请注意，用户的电子邮件可能与其“登录名 + 域”有很大不同。

在测试委托(delegate)/模拟访问时，我建议将委托(delegate)/模拟帐户设置为 Outlook 中的附加邮箱。它将允许验证是否存在对委托(delegate)/模拟邮箱的实际访问权限，并查看实际的电子邮件地址。