VPC Service Controls feature (Status: Preview): VPC Service Controls supports retrieving and updating service...

VPC Service Controls feature (Status: Preview): VPC Service Controls supports retrieving and updating service perimeters that contain deleted IAM principals. When you enable this feature, you can manage perimeters that contain deleted user, group, or service account identities without triggering the The email address is invalid or non-existent error.

For more information, see Supported identities for ingress and egress rules.