Anyone facing this problem? (email domain)

Subdomain or in cyberpanel we named it with domain.

Email:
anything@sub.domain.tld

  1. DKIM problem —> cannot generate domain dkim
  2. cannot create forwarder email@subdomain.domain.tld
  3. cannot delete email anything@sub.domain.tld
    3.a i try to remove from phpmyadmin
    image
    image