Post sent by plane (7)
I believe the answer is:
airmail
(Other definitions for airmail that I've seen before include "I'm a liar (anag)" , "Letters sent up" , "Post going by plane" , "post far away" , "Way of communicating" .)
I believe the answer is:
airmail
(Other definitions for airmail that I've seen before include "I'm a liar (anag)" , "Letters sent up" , "Post going by plane" , "post far away" , "Way of communicating" .)