A mailbox with flap has an inner flap that springs back after posting, making it harder to reach your mail again through the insertion opening. This anti-fishing protection is built into the models with flap. Below you can read how that system works and what to look for when choosing.
With a mailbox that has a drop flap, a hinged flap sits behind the insertion opening. You push your mail inside, the flap tilts along and then falls back into its resting position. This seals the opening on the inside again, so you cannot simply reach back to the envelope with your hand or a hook.
That anti-retrieval protection is exactly why people choose this type. It makes quick grabbing inside the box a lot more cumbersome. Important to know: no mailbox makes theft impossible. A drop flap raises the threshold, but it remains a mechanical part that you combine with common sense and good placement.
On the models shown, the drop flap works with aluminium housings in which the drop flap is part of the design, not a separate accessory. The models with a drop flap are built so that the flap moves smoothly as you post mail and then falls back on its own. That keeps the insertion opening neatly sealed, even when you push several envelopes through one after another.
If you want to take an even more targeted approach, combine the drop flap with a model that also has a combination lock or a parcel compartment. That way you match it to what arrives at your front door or gate: just mail, or the occasional package. The housings come in a wide colour palette, so the box fits the facade or the joinery.
Because the mailboxes shown in this guide all have a drop flap, you know that the drop flap here is not a loose promise, but a fixed part of the model you are looking at.
First look at the insertion height and the free space around the box. A drop flap works best when you can stand directly in front of it and do not have to push the mail in at an awkward angle. Also think about drainage and how the box is mounted on the wall or post, because a sturdy installation contributes to ease of use in the long term.
For those who want to look at it more broadly, there are overlaps with a theft-proof setup and with a smart mailbox, for example when you want to track mail and parcels. If you want to see or compare the models with a drop flap in person, you can find them through an authorised sales point near you. There you can operate the flap yourself and feel how smoothly it falls back.
Further reading: Theft-proof · Smart mailbox · Find a sales point
A mailbox with flap has a hinged flap behind the insertion opening that falls back after posting. This closes off the opening on the inside again and makes fishing back out harder. It is an anti-fishing feature that raises the threshold, but does not make theft impossible. There are models in which this flap is an integral part of the design.
Frequently asked questions
Go through the selection guide or find an recognised sales point near you.