http://www.apple.com/support/systemstatus/

 
Multiple iCloud Services - 0.86% of users are affected

Users may be unable to send or receive mail and may also be unable to use Notes.
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iCloud Mail and Notes are currently suffering an outage:
http://www.iphonehacks.com/2016/05/icloud-mail-and-notes-suffering-outage.html

het is vandaag vrijdag de 13e