Postal delivery method (7)
I believe the answer is:
airmail
(Other definitions for airmail that I've seen before include "Postal service" , "I'm a liar (anag)" , "Flying post?" , "overseas post?" , "Post going by plane" .)
I believe the answer is:
airmail
(Other definitions for airmail that I've seen before include "Postal service" , "I'm a liar (anag)" , "Flying post?" , "overseas post?" , "Post going by plane" .)