Riddle

Sends paper without using the post office.

Choose an answer

A.Email
B.Telegram
C.Courier
D.Fax
Hint: It's a word with 3 letters, starting with "F".

Answer

Fax

Why this is the answer

A fax machine transmits a copy of a paper document over phone lines, delivering it without ever going through the postal service.

This riddle is filed under Hard/Difficult Riddles and rated Easy.