Spam
A spam mail from mail@mitu.nu .... was sent to my all iphone contacts is this visur or some one hacked my iphone ?
iPhone 6, iOS 10.0.2
change your Apple ID password & consider Two-factor authentication for Apple ID - Apple Support
This is a recent news article on the issue
Spammers hack iCloud accounts to message victims in China | Cloud Pro
http://www.cloudpro.co.uk/leadership/6310/spammers-hack-icloud-accounts-to-messa ge-victims-in-china