Top 10 Mailboxes for Outside Metal – Post-Mount Mailboxes

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1. ShoppingOnBed


Metal Mailbox Post Mount, SoB Medium Black Galvanized Steel Post-Mount Mailbox, Mailboxes for Outside, Black Mailbox, 6.92 in. W x 8.87in. H x 20.05 in. L

ShoppingOnBed #ad - Medium-sized design with 20 in. Fully assembled for immediate installation. Mounting bracket and hardware sold separately. Adjustable steel latch allows you to keep the box securely closed.

Durable finish ensures long life for the mailbox. Fully assembled and ready to install on post. Bright red aluminum flag included to alert mail carrier of outgoing deliveries. Standard size mailbox that most homeowners prefer. Made with durable galvanized steel materials. Match with any Gibraltar mailbox post with the designation letter code A. Approximate depth provides plenty of room for letters, magazines and other mail. Sleek black finish is rust resistant to help withstand the elements.
BrandShoppingOnBed #ad
ManufacturerShoppingOnBed #ad
Height8.87 Inches
Length20.05 Inches
Weight0.29 Pounds
Width6.92 Inches
Part NumberLarge Mailbox #2
ModelMailbox posts for outside #2

2. Mail Boss


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

Mail Boss #ad - Accessories: includes concealed outgoing mail clip, 3 keys, and required installation hardware. 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.

Does not include or require Mounting Plate. Quality: 14- and 16-gauge galvanized welded steel construction defends against vandalism. Security: innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing. Usps approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use.
BrandMail Boss #ad
ManufacturerMail Boss #ad
Height11.25 Inches
Length21 Inches
Weight22 Pounds
Width10.75 Inches
Part Number7506
WarrantyLimited lifetime.



IM AMELIA Green Heavy Duty Metal Large Elite Rural Mailbox 0143388, E1600G00 Null

DYNAFORGE #ad - Size: 22. 875" x 11" x 8. 75". It's large capacity can hold several pieces of mail and small parcel. Classic large, heavy-duty mailbox comes fully assembled with a steel latch and aluminum flag. It has a smooth Rust Resistant Finish. Descripción español: buzon rural color verde linea elite heavy-duty brand:"ELITE" Finish : Hartford Green.
ManufacturerIM AMELIA #ad
Height11 Inches
Length22.88 Inches
Weight1.52 Pounds
Width8.75 Inches
Part Number7424725914924



Large, Graphite, Architectural Mailboxes 7900-2GR-R-10 Mapleton Postmount Mailbox

ARCHITECTURAL MAILBOXES #ad - Mailbox measures 206 in. X 10 in. X 8. 8 in. Front access door opens wide to allow for easy mail removal. Mounting holes in floor allows for easy installation. Timeless frame and door pull design. Reinforced door bracket for added rigidity. Predrilled 4 in. X 11 in.
ManufacturerArchitectural Mailboxes #ad
Height11.02 Inches
Length20.63 Inches
Weight5.28 Pounds
Width8.78 Inches
Part Number7900-2GR-R-10
Warranty1 year limited lifetime warranty.

5. Gibraltar Mailboxes


GM160VBEC, Post-Mount Mailbox, Gibraltar Mailboxes Garrison Large Capacity Galvanized Steel Venetian Bronze

Gibraltar Mailboxes #ad - Capacity: 1475 cubic in. Pre-drilled holes on sides and bottom for post mounting. Made from rust-resistant galvanized steel. Magnetic door catch keeps door closed firmly. Mounting hardware sold separately. Match with any gibraltar Mailboxes post with the designation letter code B. Large capacity accommodates small to medium size parcels. Powder-coated finish adds extra protection from elements. Sides feature embossed lines to assist with aligning address numbers.
BrandGibraltar Mailboxes #ad
ManufacturerSolar Group, Inc. #ad
Height10.8 Inches
Length23.6 Inches
Weight9 Pounds
Width8.9 Inches
Part NumberGM160VBEC



Architectural Mailboxes 7900B-10 MB2 Postmount Mailbox, Black, Large

ARCHITECTURAL MAILBOXES #ad - Predrilled 4 in. X 10 in. Front access door opens wide to allow for easy mail removal. Mounting holes in floor allows for easy installation. Classically shaped in a refreshed design with embossed door and side panels provide a place for house numbers to be applied. X 8. 8 in. Reinforced door bracket for added rigidity. Mailbox measures 206 in. X 11 in.
ManufacturerArchitectural Mailboxes #ad
Height10.63 Inches
Length20.47 Inches
Weight100 Kilograms
Width8.58 Inches
Part Number7900B-10
Warranty1 year limited lifetime warranty.



Black, Large, Architectural Mailboxes 8950B-10 Chadwick Postmount Mailbox

ARCHITECTURAL MAILBOXES #ad - Steel reinforced opening resists abuse. Fully powder coated inside and out. Durable galvanized steel for longevity. Cast aluminum handle. X 6. 61 in. Mailbox measures 21 in. X 8. 8 in.
ManufacturerArchitectural Mailboxes #ad
Height8.94 Inches
Length21.06 Inches
Weight4.62 Pounds
Width6.61 Inches
Part Number8950B-10
Warranty1 year limited lifetime warranty.



Dark Green Mailbox Medium Metal US Mail Box Rural Size Outside Curbside Horizontal Farmhouse Classic, 20-1/2"L x 10-7/8"H x 8-1/2"W

MISC #ad - Ready to install, Fully assembled, Metal latch and flag. Item includes exclusive diamond home EBOOK**. Material: Metal. Dimensions: 20-1/2"l x 10-7/8"h x 8-1/2"w, 1/3 heavier than other large rural mailboxes. Includes 1 Mailbox. Dark green mailbox large metal us mail box rural size outside Curbside Horizontal Farmhouse Classic, 20-1/2"L x 10-7/8"H x 8-1/2"W.
BrandMISC #ad
ManufacturerMisc #ad
Part NumberMisc



Black, XL, Architectural Mailboxes 950020B-10 Centennial Postmount Mailbox

ARCHITECTURAL MAILBOXES #ad - X 12 in. Predrilled 4 in. X 5. 5 in. X 12 in. Larger inner compartment can accept a usps priority mail large flat rate box 12 in. Sleek magnetic door closure provides reliability all while keeping door firmly closed. Hole pattern in floor allows for mounting to existing post installation hardware not included. Heavy gauge galvanized steel body equipped with stainless steel door pins then fully powder coated for corrosion resistance. X 10 in. X 14 in. Mailbox measures 18 in. And still has room for additional mail and parcels.
ManufacturerArchitectural Mailboxes #ad
Height11.93 Inches
Length18.35 Inches
Weight14.08 Pounds
Width14.17 Inches
Part Number950020B-10
Warranty1 year limited lifetime warranty.

10. Gibraltar Mailboxes


1-Pack, Mailbox & Post Combo, Gibraltar Mailboxes Decorative Medium Capacity Galvanized Steel Black, T11KIT0B

Gibraltar Mailboxes #ad - All-in-one mailbox and post includes everything you need to install. Made in the USA. Black powder-coated finish is rust-resistant to protect against outside weather. Medium capacity mailbox provides abundant space for your deliveries.
BrandGibraltar Mailboxes #ad
ManufacturerGibraltar #ad
Height48.8 Inches
Length20.1 Inches
Weight1 Pounds
Width6.9 Inches
Part NumberT11KIT0B
Warranty90 day limited.