Is 1-courier.push.apple.com needed for IBM MobileFirst APNS notifications? What is it for?
问题 The IBM MobileFirst Knowledge Center states that the following servers and port numbers have to be accessible for APNS push notifications to work: gateway.sandbox.push.apple.com:2195 feedback.sandbox.push.apple.com:2196 gateway.push.apple.com:2195 feedback.push.apple.com:2196 However, I have seen references in Apple documentation to the endpoint 1-courier.push.apple.com:5223 (for example, Apple's troubleshooting documentation here). Is this server and port required to be accessible by the MFP