As the title says. I’m using a live account.
Is this relating to the Halo Insiders program?
I think it is but the same happened to me too.
Feel free to look into the solutions in this thread
https://www.halowaypoint.com/en-us/forums/243780d3b80b4bb6ac7917a8942286db/topics/halo-insiders-email-verification-not-sending/8eaf9f6d-9a45-4eeb-ac50-120ce3f6345a/posts