Registered mail is a way to secure mail sent through the U.S. Postal Service. A sender can insure and track the progress of the letter as it makes its way to the intended recipient. The recipient is required to sign for ... More »

The main difference between certified and registered mail with the U.S. Postal Service lies in the level of accountability, with registered mail being tracked throughout the entire process from the departure point to the... More »

It is possible to refuse mail delivered through the United States Postal Service. The refusal may be possible even after the letter or package has been delivered. Certain items, such as certified letters, are not eligibl... More »

A postmark date is the official date on which the U.S. Postal Service imprints a postmark on an item of mail. The postmark date is an important record of when a piece of mail is sent. In some cases, a recipient requires ... More » Business & Finance Mail & Shipping

Track international airmail by sending the letter or package via one of the United States Postal Service options that offers international tracking and using the USPS online tracking system to monitor the status of the m... More »

Track U.S. mail online by entering a tracking number in the box at the top of the page at You can also access tracking information by going to, clicking on Quick Tools, then selecting USPS Tracking. More » Business & Finance Mail & Shipping

Track certified mail from the U.S. Postal Service by using tracking tools on the USPS website. You need the tracking number for the package in order to use this service. Alternatively, send a text message to 28777 with y... More »