今天我的 Exchange 服务器停止接收 IMAP 请求 - Webmail 运行正常，邮件流也正常，但它无法验证 IMAP 请求。我的事件日志显示以下内容：
System.InvalidOperationException: Unable to initialise TCP Network
connection ---> System.InvalidOperationException: SSL negotiation did
not complete successfully: InvalidToken at Microsoft.Exchange.Monitoring.
ActiveMonitoring.Common.TcpConnection.NegotiateSSL() at Microsoft.Exchang
e.Monitoring.ActiveMonitoring.PopImap.Probes.PopImapProbeUtil.CreateImapS
SLStateObject(IPEndPoint targetAddress, ProbeResult result) --- End of
inner exception stack trace --- at Microsoft.Exchange.Monitoring.ActiveMo
nitoring.PopImap.Probes.ImapSelfTestProbe.HandleSocketError(Exception e)
at Microsoft.Exchange.Monitoring.ActiveMonitoring.PopImap.Probes.PopImapP
robeBase.HandleConnectionExceptions(PopImapProbeStateObject
probeTrackingObject) at Microsoft.Exchange.Monitoring.ActiveMonitoring.Po
pImap.Probes.ImapSelfTestProbe.DoWork(CancellationToken
cancellationToken) at
Microsoft.Office.Datacenter.WorkerTaskFramework.WorkItem.Execute(
CancellationToken joinedToken) at
Microsoft.Office.Datacenter.WorkerTaskFramework.WorkItem.<>
c__DisplayClass2.<StartExecuting>b__0() at
System.Threading.Tasks.Task.Execute()
我不知道有任何变化，并且已经进行了广泛的搜索，但找不到解决方案。拼命尝试恢复它。