Q: Can't Open Mail Via Safari or Receive Emails - iCloud Down?

I have 2 iCloud accounts, one for my family and one personal account.  My wife also has her own personal account.  2 of the 3 accounts are working fine but my personal account is having issues where I can send emails from mobile devices but not receive any emails.  In addition, when I go to www.icloud.com to login and click on the Mail app, it circulates for a minute or so and then gives me an error saying "Cannot open Mail".

Is there some sort of outage that effects certain accounts? I've also already had some people report to me that emails they've sent me have bounced back to them.

Any ideas/suggestions?

Thanks