I do not receive confirmation emails from zoom

[ArabicWindow]

hello,  I have different business emails, and I created zoom accounts for all of them except one of them that doen't receive the confirmation email at all, I even deleted the email and recreated it again and nothing happen, and I tried new emails that I created after this one and they received the confirmation emails without any problems.

why this one specifically that doesn't receive the confirmation email.

please help me figure this out, thanks in advance.