@joedavis34 @jeffglasson @Inactive User we switched our mail provider yesterday and although our testing hadn't indicated any obvious problems, it's obviously had an impact on the 2FA notifications.
We're really sorry for the inconvenience caused. We have now reverted our changes so if you try again, you should find you'll now receive the authentication email as before.
Apologies again, please do verify whether it's now working or not.
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