: You can print labels on standard A4 paper or 6x4 sticky labels, and drop items at 24/7 parcel lockers or postboxes.

: Through Click-N-Ship, users can pay for postage and print labels at home. They also offer a "Label Broker" ID if you don't have a printer, allowing you to print the label at a Post Office.

: Most online postage includes free tracking, providing visibility from dispatch to delivery. How to Get "Proof of Posting" Online