The Post Office says Next Day items are not being delivered today.
It says that parcels were due to be flown to the Island yesterday but the flight was cancelled because of ice and snow on the runway at Liverpool.
Packages will be shipped on this mornings ferry sailing instead.
Items should reach the Royal Mail network for delivery tomorrow.
Fuel price hit may last into winter, says government
Further temporary speed limits on TT course
Western homes to be without water tomorrow
Co-Op ordered to hand over evidence in blind worker's tribunal
Who'll be getting meningitis vaccines?
New atlas shows dramatic fall in Island birth rate
Autocar lavishes praise on Island's roads
Super Unleaded hits almost 165p a litre