In restoring the entire corporate email system after a major outage and data loss, an...

The behavior is ethical, because the email administrator was not deliberately looking for the email and only accidentally read the emails.

The behavior is ethical, because the email administrator read the emails to confirm that the email system was properly restored.

The behavior is not ethical, because the email administrator exceeded his or her privilege and trust in reading the email messages.

The behavior is not ethical, because the email administrator should have informed the manager about the restoration in advance.