File an Online Complaint. Go to USPS website, scroll down to contact, click on 'Email' and then scroll down to 'Personnel' and make the complaint.Contact support for the product or service below. Our Investigation starts with your report. Smishing is a form of phishing that involves a text message or phone number. Thank you for completing this form. In particular, it seems packages from Germany are extra problematic; German ex-pat forums are filled with complaints. USPS Employees or Service. The PS Form 2565 is a crucial document for employees or applicants of the Postal Service who believe they have been discriminated against. I would like to issue a complaint against Tactical Marketing who is sending me unsolicited advertising emails from Life Lock and others.