: A private service that allows you to send physical mail online. They handle the printing (B&W or color) and mailing via First Class, Certified, or Priority Mail.
The official website for the United States Postal Service is USPS.com . While "postoffice.com" exists, it is a private company with the government or the official USPS. postoffice com
: A standard Forever stamp ($0.78) covers up to 1 oz , which is typically about 4 sheets of printer paper plus a standard business envelope. : A private service that allows you to