P.S. Though this is not an automated email, we keep on sending out these emails to all those people whom we find eligible of using our services. To unsubscribe from future mails (i.e., to ensure that we do not contact you again for this matter), please send revert E-mail with “remove please” as subject.
Sure, that’s definitely not an automated email. If you find yourself adding a P.S. like this on your emails to customers, just don’t even think about sending it.