Here are some solutions for sending regular mail via your computer or other electronic device:

Felt Pro

Handwritten cards on your branded stationery.
Sealed, stamped and mailed – all from your iPad.
For only $4 a card.

Enveloupe – “Upload a PDF, and we’ll print, seal, stamp and mail it.”

Ink Cards – mail greeting cards from your phone (Android and iOS) or iPad.

Postagram – a fun way to send your photos as a postcard keepsake.