need help signing on to Max

I am an HBO subscriber. Max no longer recognizes my email address, tells me I'm trying to log in with a "secondary Xfinity ID".

I am the HBO subscriber with no other 'secondary id"

I called Max customer service and they told me to call you.

They cannot find an email for me, though they have tried all three:

[Edited: "Personal Information"] (my preferred email)

[Edited: "Personal Information"]