Top 10 Mailboxes for Outside with Lock – Post-Mount Mailboxes

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1. Mail Boss


Black,Large, Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox

Mail Boss #ad - Usps approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use.

Accessories: includes concealed outgoing mail clip, 3 keys, and required installation hardware. Quality: 14- and 16-gauge galvanized welded steel construction defends against vandalism. Patented: includes patented anti-pry latch lock mechanism to prevent leveraged entry with a screwdriver & high security anti-drill, anti-pick 12-disc wafer lock. Mailbox Style: T1. Does not include or require Mounting Plate. Security: innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing.
BrandMail Boss #ad
ManufacturerMail Boss #ad
Height11.25 Inches
Length21 Inches
Weight22 Pounds
Width10.75 Inches
Part Number7506
WarrantyLimited lifetime.



Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox with High Security Reinforced Lock,Black,18.00 x 15.00 x 11.50 inches

ARCHITECTURAL MAILBOXES #ad - Postmaster general approved and patented design allows delivery of mail bundles and small parcels - perfect for Internet and catalog shoppers.

Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life. 18-inch d x 14-inch h x 11. 5-inch w, 23-pound - use adapter Plate 7530-10 for 4x4 wood post installation. Suitable for installation into a pilaster or column - the entire outer shroud is one piece to resist moisture and the elements. Doors include rubber seals to keep deliveries clean and dry - all hardware made from stainless steel and other corrosion resistant materials.
ManufacturerArchitectural Mailboxes #ad
Height14 Inches
Length18 Inches
Weight5.91 Pounds
Width11.5 Inches
Part Number6200B-10
Warranty1 year manufacturer limited warranty.

3. Gibraltar Mailboxes


Gibraltar Mailboxes DVKPBZ00 Designer locking mailbox, Bronze w/Satin Nickel, 9.7 x 4.4 x 12.6 inches

Gibraltar Mailboxes #ad - Medium capacity is able to hold days worth of mail at a time. Crafted with quality galvanized steel for strength and durability. Powder-coated in an elegant venetian bronze finish to withstand outdoor elements. Optional decorative 'Mail' emblem included.
BrandGibraltar Mailboxes #ad
ManufacturerSolar Group #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part NumberDVKPBZ00
Warranty90 day limited warranty.

4. SereneLife


Serenelife SLMAB01, Weatherproof Wall Mount Locking Mailbox, Commercial Rural Home Decorative & Office Business Parcel Box Package Drop Secure Lock, Galvanized Steel w/ Metal Flap for Mail Insertion

SereneLife #ad - In terms of its locking security, commercial or business, front door house, mounts vertical mailbox stylish look adds modern touch to exterior decor, mailbox has secure key lock with two reserved key locks that is not easy to duplicate. Residential or office use: aesthetic posts, classic rural and modern apartment.

It provides the perfect solution for convenient and secure, packages, paperwork, dropbox applications. This is designed to prevent from fishing or stealing private property. Weatherproof: outdoor mountable mailboxes are made with high quality galvanized steel magnetic cover, black powder coated that locked mails from heavy rain and deliberate theft. Convenient and secure dropbox: this wall-mount mailbox duty holds various mailings, newspapers, magazines, small parcels, post office deliveries.

Easy installation: it has pre-drilled holes and mounting screw for solid attachment in the front porch of home or office. Decorative bin door slots: though drop box is lock, parcels, the slot can allow payments, outgoing mail and box packages to be inserted since it has an easy access metal flap like an old envelope mailbox. This is a universal mount mailbox in any walls or flat wall surface.
BrandSereneLife #ad
ManufacturerSereneLife #ad
Height10 Inches
Length8.3 Inches
Weight2.2 Pounds
Width2.7 Inches
Part NumberSLMAB01
Warranty1 year limited.

5. Mail Boss


Extra Large, Mail Boss 7106 Curbside Steel Post Mount Security Locking Mailbox, Black

Mail Boss #ad - Locking access door with commercial grade high security wafer lock. Stainless steel hinges and powder-coated finish for optimum weather resistance. Large capacity usps approved high security locking curbside mailbox made of 12- and 14-gauge electro galvanized steel for strength and durability. Patented fast-trak Mounting Plate for easy installation on existing posts in minutes. Patented anti-pry latch locking mechanism and 12-wafer disc lock to prevent leveraged entry. Includes 3 keys, reflective house numbers, 4 lag bolts and drill bit for installation.
BrandMail Boss #ad
ManufacturerMail Boss #ad
Height13.75 Inches
Length21 Inches
Weight40 Pounds
Width11.25 Inches
Part Number7106
WarrantyLimited lifetime warranty against manufacturer defects.

6. Mail Boss


Mail Boss 7500 Mail Manager Pro Curbside Security, Black Locking Mailbox with House Numbers, Mounting Plate and Pull Out Mail Tray

Mail Boss #ad - High security locking access door includes patented anti-pry latch locking mechanism and commercial grade 12-disc wafer lock to deter prying and leveraged entry.

Includes reflective house numbers, vandal resistant flag, 3 laser cut keys, patented fast-Trak Mounting Plate for easy installation on any surface in minutes, concealed outgoing mail clip, pull out mail tray, and all necessary installation hardware. Heavy duty 14- and 16-gauge electro galvanized welded steel construction with durable powder-coated finish defends against vandalism. Usps approved full service curbside locking mailbox for residential use, secures your mail and helps prevent identity theft. Innovative baffle door design allows for delivery of small packages and parcels but prevents fishing.
BrandMail Boss #ad
ManufacturerMail Boss #ad
Height11.25 Inches
Length21 Inches
Weight30 Pounds
Width10.75 Inches
Part Number7500
WarrantyLimited lifetime warranty.

7. Gibraltar


10.1", Gibrailtar THVKB001 Black Townhouse Wall Mount Mailbox

Gibraltar #ad - Small capacity accommodates low volume deliveries including magazines, small padded mailers, and envelopes. Made from rust-resistant galvanized steel for a long service life. Hidden locking compartment keeps mail secure and comes with two keys for family access. Black powder-coated finish adds protection and enhances appearance. Some assembly required.
BrandGibraltar #ad
ManufacturerGibraltar Mailboxes #ad
Height10.1 Inches
Length4.1 Inches
Weight2.2 Pounds
Width8.6 Inches
Part NumberTHVKB001



Architectural Mailboxes 2594GR-10 Graphite Aspen Locking Wall Mount Mailbox, Small

ARCHITECTURAL MAILBOXES #ad - Should be installed under eave, awning or porch. Installation hardware and instructions included. Constructed of galvanized steel and fully powder coated inside and out. Installation is made simple with pre-drilled holes. Equipped with a stainless steel cam lock with locked/unlocked indicator and 2 keys.
ManufacturerArchitectural Mailboxes #ad
Height11.18 Inches
Length3.94 Inches
Weight2.9 Pounds
Width9.02 Inches
Part Number2594GR-10
WarrantyLimited lifetime warranty.

9. Gibraltar Mailboxes


Gibraltar Mailboxes Patriot Large Capacity Rust-Proof Plastic Black, Post-Mount Mailbox, GMB515B01

Gibraltar Mailboxes #ad - Fully assembled for convenient installation. Match with gibraltar Mailboxes posts with the letter designation code E. Arrived mail indicator flag included. Wide opening allows easily delivery of packages. Made in the usa; Security: Non-Locking. Rust-proof plastic construction is highly durable providing strength and stability. Large capacity fits larger boxes, padded envelopes, and magazines laid flat.
BrandGibraltar Mailboxes #ad
ManufacturerSolar Group, Inc. #ad
Height9.5 Inches
Length21.3 Inches
Weight4 Pounds
Width12.4 Inches
Part NumberGMB515B01

10. Fine Art Lighting


Fine Art Lighting AB04B Wall Mounted Mailbox, Black, 11 by 4 by 15-Inch

Fine Art Lighting #ad - This weatherproof dropbox provides a perfect solution for safeguarding mail, paperwork, post office deliveries. Easy installation: mailbox comes fully assembled with pre-drilled holes and mounting hardware for easy attachment to any flat surface or wall.

Quality material: made of durable aluminum to prevent corrosion, rust, and fading. Dimensions: size dimensions are 11"L x 4"W x 15" H. Secure mailbox: this lockable drop box includes 2 keys to prevent theft and ensure that mail is safe and secure. Modern design: aesthetic mailbox comes in a stylish Black color and modern design that complements any exterior decor, front door house, front porch home or business.
BrandFine Art Lighting #ad
ManufacturerFine Art Lighting #ad
Height15 Inches
Length11 Inches
Weight3 Pounds
Width4 Inches
Part NumberAB04B