UK freight disruption will have a knock-on effect for last minute deliveries to and from Ireland.
An Post says it's closely monitoring the situation, but post in Ireland will be delivered on time if it's already in the system.
DHL says express delivery services connecting Ireland and Europe are continuing as normal.
Many Irish hauliers are attempting to make their way back to the country in time for Christmas. It follows France's decision to close its border with the UK due to concerns about a new variant of Covid-19.