존재하지 않는 도메인으로 전송된 이메일 처리

I’m getting Dashboard warning with a link to sidekiq that email job failed.

Jobs::HandledExceptionWrapper: Wrapped Net::SMTPServerBusy: 450 4.1.2 <removed@redacted.com>: Recipient address rejected: Domain not found

Is that expected?

Could this be handled automatically? Maybe to Deactivate the user or increase bounce counter?