How to send a registered letter - penneo.force.com
penneo.force.com › support › sClick on Create New, and choose Registered Letter. Give your registered letter a case file title by typing it out in the field below Title. Choose which language your case file should have. The language you select determines the language of Penneo for the recipient of the documents. Select a folder to save your registered letter in.
How to Send a Letter or Postcard | USPS
www.usps.com › ship › lettersStep 1: Choose Envelope or Postcard. Envelopes are for sending flat, flexible things, like letters, cards, checks, forms, and other paper goods. For just 1 $0.60 First-Class Mail ® Forever ® stamp, you can send 1 oz (about 4 sheets of regular, 8-1/2" x 11" paper in a rectangular envelope) to anywhere in the U.S.!