We tried making three Sendgrids for every environment but we werent aware that Azure has a limit of two per subscription... We got 'banned' and cannot change an

We tried making three Sendgrids for every environment but we werent aware that Azure has a limit of two per subscription... We got 'banned' and cannot change any of their passwords, cannot login, remove them, reset in any way, Sendgrid support sends us to Azure support. On Azure support we got an guy who barely spoke english and prolonged the case with meaningless messages for over six months after which we gave up, issue was not resolved, we're stuck with two banned Sendgrid accounts within subscription. I guess spendings of 18k eur/month is not enough to get proper support.