TODAY (Tuesday) is the last posting date for second class mail, if you want it to arrive in time for Christmas.

The last recommended postal date for first class mail is Thursday, December 20.

Royal Mail is advising any customers who miss this date they can use its special delivery service up until Saturday, December 22.

Customers should also ensure that the correct amount of postage has been applied to avoid any delays or extra charges for the recipient.

Full information on pricing is available on the Royal Mail website, and at local Post Office branches.