Maintenance for the week of December 16:
• PC/Mac: No maintenance – December 16
• NA megaservers for patch maintenance – December 17, 4:00AM EST (9:00 UTC) - 12:00PM EST (17:00 UTC)
• EU megaservers for patch maintenance – December 17, 9:00 UTC (4:00AM EST) - 17:00 UTC (12:00PM EST)
To be clear, you don't have to wait 10 mins, mine is usually in my inbox by the time I've seen the dialog pop and I've ALT-TABbed to my browser to get it, ZOS are simply giving a bit of time to allow the mail to arrive before someone assumes it's got 'lost' and clicks RESEND.