Upgraded Curb Appeal
Your mailbox is the first thing people see. Make sure it reflects your personality & style.
Kristin G. Verified Buyer
Excellent Quality & Price. I received the malbox with matching post and I'm so in love with it. The price was unbeatable and superior quality.
Mailbox + Post, Numbers on Us
Weatherproof steel that fits packages, approved by the USPS Postmaster General. No key, no hassle.
4.8 · 1,066 ReviewsAvailable now, only on this page. This offer is not available on our regular website.
$199.98Mailbox + Post, ships free
4 FREE4" numbers, $39.96 value
Designed To Deliver
SHIPS IMMEDIATELY
99% ship same day & fast delivery
FREE SHIPPING
All orders ship free. Always.
LARGE CAPACITY
Handles mail & packages.
Approved by the USPS Postmaster General
Weatherproof steel, rust-resistant powder coat
Fully assembled & easy to mount
4.8 · 1,066 Reviews
Your Post Mount Bundle
Available now, only on this page. This offer is not available on our regular website.
1
Your mailbox.
Post Mount MailboxColor: Black · $99.99
2
Choose your mounting post.
3
Add 4″ Mailbox Numbers.
Type the number you want on your mailbox.
Number color
Up to 4 digits free. Repeated digits count too (1122 is 4 digits).
Mounted on the
Mailbox
Mailbox
Mailbox + Post Bundle
$199.98(Total Value $239.94)
Save $39.96, 4 numbers freeApplied at checkout
Post Mount Mailbox (Black) + In-Ground Post (Black)
- FREE 4" Numbers $39.96 valueUp to 4 digits, Silver or Black.
- FREE Shipping Ships immediatelyAll orders ship free. Always.
- USPS Approved Postmaster GeneralFollows all USPS regulations.
- Weatherproof Steel Built for real lifeGalvanized steel, rust-resistant powder coat.
Available now, only on this page. This offer is not available on our regular website.
4 interest-free payments or monthly with Affirm, if you qualify.Limited Lifetime Warranty against manufacturing defects.
Four Reasons 150,000+ Customers Made the Switch
Large Capacity to Receive More
Spacious enough for daily mail and multiple packages up to 16" x 8" x 7.5".
Heavy-Duty Steel Construction
Galvanized steel construction, stainless steel hinges and rust-resistant powder coat finish are built for real life.
Built to Beat the Weather
Internal weatherproof stripping & sealing magnets and a 1.2° sloped roof keep out rain & snow.
Rain, Snow, Days Away. Still Dry.
Notes from Adoorn owners on storms, overflow and install day.
"No stress"
"We were out of town for days and it held everything. No overflow, no stress, no daily checks."
"Honestly just happy"
"I’m not staring at rust anymore. It holds a week’s worth of mail and still looks sharp on the curb."
"Bone dry every time"
"It’s rained hard and snowed twice. This thing’s built like a vault."
"Our last mailbox would blow open"
"Half the mail would be wet. This one’s stayed totally dry, even during that sideways storm last week."
"I was nervous about installing it"
"But the directions were super clear. It’s sturdy, sleek, and hasn’t budged through two seasons so far."
Not Your Average Mailbox
No more blown-open doors, soggy letters or rust streaks.
Fits Mail & Packages
Stop cramming envelopes and bending magazines. This oversized mailbox has room for it all.
Upgraded Curb Appeal
Transform an everyday detail into a modern design feature your neighbors will notice.
Won’t Rust or Wear Down
Invest in heavy-duty, weatherproof steel built to last season after season.
Keeps Your Mail Dry
Protect letters, magazines, and deliveries from rain, snow, and the elements.
Fits Most Posts
Skip the hassle. Our universal design installs easily on your existing post.
Adoorn in Real Life
Swipe right to get a feel for size, shape, and styling in real spaces.
Modern. Large Capacity. Weatherproof.
Holds 2 to 3 days of mail, and the 1.2-degree roof sends rain off the back.
Named Best Mailbox, Overall by AD
BEST MAILBOX, OVERALL
"Clean, contemporary lines without being too modern."
SURE TO LIVEN UP THE NEIGHBORHOOD
Summer 2026 Journal • Life In Color
THE O LIST
"Best-in-class picks for the whole fam to start the new year in style."
THESE ARE FABULOUS
"A huge assortment of colors and styles."
TONS OF SPACE FOR PACKAGES AND MAIL
"The non-locking mailbox is a modern, sleek version of the more generic versions you're probably used to."
THE UPGRADE THAT YOU DIDN'T KNOW YOU NEEDED
"Aren’t they gorgeous? Curb Appeal, Hello!"
How We Compare
| Feature |  Post Mount Mailbox | Competition |
|---|---|---|
| Reinforced Weatherproof Sealing | ||
| Meets USPS StandardsAllows outgoing mail, meets size specs, passes weather-resistance testing and functionality testing | ||
| Multiple Color Options | Many color options | Limited color selection |
| Receives What Type of Mail | Receives mail + medium packages | Receives mail + small packages |
| Holds How Many Days of Mail | 2-3 days of mail | 1 day of mail |
| External Size Dimensions | 9.5" H x 9.5" W x 21" D | 8.8" H x 7" W x 19" D |
| Max Package Size | Receives packages: 16" x 8" x 7.5" | Receives packages: 19" x 6.75" x 4" |
Every Detail Has a Job
Secure Magnet Closure
A clean snap seals it shut, no slamming, no guessing.
Precision-Cut Foam Sealers
Foam lining locks out water and softens every close.
Slanted Roof for Rain
Smart 1.2 degree slope sends water off the back, not inside.
Attachable Mail Flag
Never miss a pickup. Flag signals when you’ve got mail to send.
Heavy-Duty Galvanized Steel
Thick, weather-tough steel that resists rust and wear.
Designed for Easy Assembly
Mounting Pattern Made Simple
The pre-drilled base lines up with most standard posts. Just match the pattern for your post and you're ready to go.
Includes Everything You Need
Every screw and washer’s in the box. Just grab a wrench and Phillips head, then follow our step-by-step guide for a quick, secure install.
FAQ
What is the maximum size package that can fit in the mailbox?
The Post Mount Mailbox is an oversized mailbox that can receive mail, envelopes, polybag style packages and package boxes. The largest size rigid package that can fit inside the top opening is 8" x 7.5" x 16". If you're looking for a solution to receive package deliveries too, we recommend bundling a post mount mailbox with one of our Package Boxes.
Is it weather resistant?
Yes. We've built numerous features into the post mount mailbox to keep your mail and deliveries dry. It's designed with a 1.2 degree sloped top so rain & snow slides off the back, not inside. It has weatherproof foam lining around the door to keep our water. And the mailbox is made from heavy-duty galvanized steel with a rust-fighting powder coat finish to outlast rain, sun and whatever else rolls in.
Is this a premium mailbox?
Absolutely. The Adoorn Post Mount Mailbox is built to last, but designed for the wow. On top of the elevated design, it is made from heavy-duty galvanized steel, stainless steel hinges and rust & scratch resistant powder coat finish prevent rust, fading and wear.
How do I install the mailbox onto a post?
It’s simple! For ease of installation and a guaranteed fit, we recommend purchasing one of our adoorn posts. Our post mount mailboxes can be installed into an adoorn post or most standard metal or wood mailbox posts. Installation hardware and easy-to-follow instructions come with the product. Our instructions include guidelines for height and set back requirements at your curb, but please contact your local post office if you have any questions!
Does this mailbox meet USPS requirements?
The Adoorn Post Mount Mailbox is approved by the USPS Postmaster General. Our mailboxes abide by and follow all USPS regulations. Our installation instructions include guidelines for height and set back requirements at your curb. And, you can also include delivery instructions for deliveries to be placed in your mailbox.
Customer Reviews
Dry Mail Before the Next Storm
Available now, only on this page. This offer is not available on our regular website.
$199.98Mailbox + Post, ships free
4 FREE4" numbers, $39.96 value
In Stock & Ready to Ship
All orders ship free. Always.
Approved by the USPS Postmaster General
