Someone else mentioned most of issues with mail are being posted here, and they wanted more upbeat titles once the issue is solved. Voila. We now have a title dedicated to one of the most hero names ever.
(The answers below this will confuse you if I don’t mention this)
Check the most recent KS update for all the details
Emails JUST started going out. Give it a little time. Found my code on backerkit before my Email even arrived.
Yep. Literally just received it a minute after posting the question. Heh. Timing.
I had an earlier Backerkit email for other rewards that got me in to get my pass. 30 minutes later I got the email notification.