Why is my absolutely legitimate email not allowed to submit add-ons?

Trying to submit an add-on I get “The email address used for your account is not allowed for submissions.” Why is that? I’ve used it for at least 15 years, i.ua is a major email/blog/etc provider, it’s fully RFC 2822 compliant, and mozilla is the first to deny me something based on my email. I guess your admins don’t like a one-letter sub-domain, but standards are standards, personal feeling must be set aside.

Hi Donoles and thanks for reaching out. Could you please send me your email address in private or your user ID so I can take a look? Thank you