Since I know I wasn't the only one with this question: http://zootopia.u2.com/forums/topic/37920-citi-verified-fan/
I emailed ticketmaster with a very clear Subject:
Sent: Thursday, November 30, 2017 9:07:37 PM GMT-06:00
Subject: When can we register for next week's U2 Citi Presale?
Look what they replied to me with this morning:
---------- Forwarded message ----------From: <firstname.lastname@example.org>Date: Sun, Dec 3, 2017 at 1:06 AMSubject: Taylor Swift Tix: Boost AlertTo: *** <U2rules@u2