We're currently seeing delays in emails reaching Microsoft-hosted inboxes - Outlook.com, Hotmail, Live and MSN. This started earlier today and we're actively tracking it.

What this means: booking confirmations, receipts and other automated emails to customers on those Microsoft addresses may arrive late, or in some cases bounce. Emails to Gmail, Apple, Yahoo and every other provider are unaffected.

Important: this is a temporary issue on Microsoft's side that's affecting many senders — not ...