I got years of their spam without signing up. Only after several years did they add a way to opt out an email address without making an account.
If they don't provide an easy opt-out link then why not just block the sender and move on? Unlike the less legal operations I wouldn't expect a legitimate business to rotate domains or otherwise attempt to evade blocks.
If they don't provide an easy opt-out link then why not just block the sender and move on? Unlike the less legal operations I wouldn't expect a legitimate business to rotate domains or otherwise attempt to evade blocks.