We have integrated to exchange server (using EWS ews-java-api-2.0) in our java app.
Our customer facing issue in production env when our app try to connect to exchange server and read incoming mail.
Customer account klantenservice@telesur.sr is authenticating to exchange server successfully but then fails with below error when performs ExchangeService.findItems call.
UNHANDLED EXCEPTION: microsoft.exchange.webservices.data.core.excep tion.service.remote.ServiceRequestException: The request failed. The request failed. outlook.office365.com:443 failed to respond ****: microsoft.exchange.webservices .data.core.exception.service.remote.ServiceRequestException: The request failed. The request failed. outlook.office365.com:443 failed to respond at microsoft.exchange.webservices.data.core.request.SimpleServiceRequestBase.internalExecute(SimpleServiceRequestBase.java:74) [ews-java-api-2.0.jar:] at microsoft.exchange.webservices.data.core.request.MultiResponseServiceRequest.execute(MultiResponseServiceRequest.java:158) [ews-java-api-2.0.jar:] at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:985) [ews-java-api-2.0.jar:] at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:1049) [ews-java-api-2.0.jar:]
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