There could be more mail disruption from today (Thursday) and over the Bank Holiday weekend.
Communication Workers Union staff in the UK are continuing industrial action over pay which could affect deliveries to various parts of London.
Further action on Saturday could affect post to London, Ipswich, Leamington Spa, Middlesbrough, Bognor Regis and Newport.
Isle of Man Post is advising customers it is still forwarding mail as normal.
The action is not affecting Special Delivery next day guaranteed service from the Island.
Fire officer praises 'quick-thinking' staff after blaze at fire station
Capital ranks worst for Census returns
The Greatest Show-woman: Sam Barks to return to West End
RBS International confirms redundancies