Some iCloud users are having trouble with their email addresses. There seems to be some sort of outage. It’s reportedly worldwide, but it’s sporadic.
It’s hard to say much about this issue this early one as it seems to only be affecting one percent or less of iCloud users. Still, it’s been enough of a problem to get some attention on the internet.
We ourselves haven’t experienced any sort of problems with our account, but that doesn’t mean that all users have been so lucky. Of course the majority won’t have problems.