Mail Slot Installation //free\\ ★
Not all doors can accept a "through-the-door" mail slot.
Would you like a version focused on a (e.g., by a locksmith or door shop) or a DIY installation review instead? mail slot installation
If you have a "smart lock" or electronic deadbolt on your door, ensure the mail slot is positioned far enough away that a person cannot reach through the mail slot and access the indoor thumb-turn of your smart lock. This is a common security vulnerability. The mail slot should be at least 5 inches away horizontally from any lock mechanism. Not all doors can accept a "through-the-door" mail slot
A mail slot is essentially a hole in your door. Without proper sealing, it will leak air and water. This is a common security vulnerability
Before you buy a mail slot or pick up a drill, you must ensure the location is correct.