Yes, but that comes with a caveat – If you use a custom domain (without thousands of users), you lose the anonymity benefit of Owl Mail (the custom domain itse

Yes, but that comes with a caveat – If you use a custom domain (without thousands of users), you lose the anonymity benefit of Owl Mail (the custom domain itself becomes the identifier). Which means BigCoA and BigCoB can still trade/sell tracking/advertising info on you.