The post office says some of the mail which has arrived on Island today has been water damaged.
Officials say the matter has been raised with Royal Mail to investigate how it's happened.
Deliveries will still be made as normal today however the postal service is apologising in advance if any items people receive have been affected.
Anyone with any queries on the matter can contact customer services on 664 664.
Have you taken the binman's tip this Xmas?
Ramsey Domino's delayed until next year
No timeline for rights of way at nature trails
Manx driving licence scam on Facebook
Government reminder to clear MiCard balances soon
Youtube channel says you can live here for £450 a month
Post Office announces price rises
Police appeal for missing 86 year old