MaltaPost has the responsibility to ensure that mail is kept safe and secure until it reaches its destination, which in most cases would be the addressee's letterbox. From then onwards it is the responsibility of the receiver to ensure they have a letterbox which is in conformity with the minimum requirements as set out in the European Standard (EN 13724) - Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods and the local Postal Regulations.
The main criteria as per European Standard (EN 13724) are:
• The aperture of the letterbox (posting slot) should be of a minimum of 240mm by 30mm;
• The height of the letterbox should be of a minimum of 370mm;
• The depth of the letterbox should be of a minimum of 110mm;
• The overall width of the letterbox should be of a minimum of 270mm;
• The above dimensions should allow for sideway deliveries of a C4 envelope or document (324 x 229mm) without having to bend, fold or damage the document in any way;
• The height of the lowest letterbox aperture should not be lower than 700mm from the ground and not higher than 1700mm;
• The flap of the letterbox must be easily opened and be self-closing;
• To ensure that mail is not damaged, the aperture should not have any sharp edges.
More information is available in the attachment below.