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.
MHK queries Island's abortion figures since law change
Could you help run abattoir?
Historic church in line for improvement work
New clerk for Arbory and Rushen
MHK wants prediction about Manx economy amid Iran war
Minister reveals Steam Packet loan figures
Two Manxman crossings cancelled
Expect census code letters soon