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.
Weather postpones council's Easter fun day
Seven ferry crossings hit by water levels and dredging issues in Douglas
Sam Barks returns to Les Mis in transatlatic tour
DHSC commissioning rapid review of Noble's bed capacity
Progress being made on landmark's new building
Temporary traffic lights on TT course section
All government departments but one within budget
Unclaimed Manx lottery ticket worth £125,000 - is it you?!