Thousands of Britons unknowingly risk £2,500 fine over simple posting mistake
Britons posting items abroad are urged to check the rules carefully before sending anything
Royal Mail
Royal Mail 'chaos' slammed by MPs as 100 postcodes hit with delays - full list here
MPs are calling on Royal Mail to explain why many areas across the UK have been impacted by service issues
Royal Mail fined £21 MILLION by watchdog over late letter deliveries
It is the third-largest ever fine imposed by regulator Ofcom
