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MailMaster® Express Plus Mailbox™

Step2 MailMaster Express Plus Mailbox - Mocha
Step2 MailMaster Express Plus Mailbox front yard
Step2 MailMaster Express Plus Mailbox rear door
Step2 MailMaster Express Plus Mailbox front view
Step2 MailMaster Express Plus Mailbox rear view with newspaper
Step2 MailMaster Express Plus Mailbox rear view
Step2 MailMaster Express Plus Mailbox - Mocha
Step2 MailMaster Express Plus Mailbox front yard
Step2 MailMaster Express Plus Mailbox rear door
Step2 MailMaster Express Plus Mailbox front view
Step2 MailMaster Express Plus Mailbox rear view with newspaper
Step2 MailMaster Express Plus Mailbox rear view

MailMaster® Express Plus Mailbox™

$59 - $60

The MailMaster Express Plus Mailbox has enough space for all of your postage needs!

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Available in Stores
Prices vary by retail location

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Step2 MailMaster Express Plus Mailbox - Mocha

MailMaster® Express Plus Mailbox™

This durable plastic mailbox by Step2 features a large interior with space for all of your postage needs and an attached newspaper slot below. Features dual entry doors so you can safely retrieve your mail from the front or rear. This double wall molded plastic mailbox will last for years to come! Made in USA of US and imported parts. Adult assembly required.

  • Oversized, large mailbox compartment allows you to hold letters, magazines, and catalogs
  • Plastic mailbox features dual entry doors to access your mailbox compartment from the front or rear
  • Sturdy, plastic mailbox features a molded-in newspaper tray below the mailbox compartment
  • Heavy duty, durable poly construction has your mailbox built to last
  • Mailbox mounts on a standard 4-inch by 4-inch post (not included)
  • Mailboxes include required mounting hardware sets

PRODUCT NUMBER: 578799
DIMENSIONS: 51.00" H x 23.50" W x 9.00" D
WEIGHT: 12 lbs

SHIPPING DIMENSIONS: 21.50" H x 10.75" W x 25.63" D
SHIPPING WEIGHT: 14 lbs

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Assembly Instructions (pdf)

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Rated 5 out of 5 by from Great looking and well made. This product is very well manufactured, and looks nice in front of the house. I would definitely recommend.
Date published: 2019-06-05
Rated 1 out of 5 by from Door hinge broke! Great mailbox, but after being in use for only six months the plastic hinge on the door broke! Now I'm struggling to figure-out some way to repair it so the door doesn't fall to the ground every time the letter carrier or we need to use it!
Date published: 2020-04-21
Rated 2 out of 5 by from mediocre product Had a rubbermaid mailbox before, very similiar style , but this one for the $59 price is a much lesser quality. The newpaper back door does not latch at all and sometime the paper flys out the back and onto the ground. Poor design.
Date published: 2021-01-10
Rated 3 out of 5 by from Ok Said the mailbox came without a post but there is part of a post attached to the bottom not what I wanted the mailbox its self is very nice I'm going to have to come up with some invented way to remove post
Date published: 2018-11-16
Rated 5 out of 5 by from Great deal Great price, just what we needed. Too bad doesnt come with post hole digger.
Date published: 2019-03-16

Just installed this last week and the magnets are not strong enough to keep the doors shut any breeze or shutting any door opens the other mine is like this one but has a reflector sticker on both sides

Asked by: Donald1987
I have the same problem! The magnets are not turned correctly. The one inside the mailbox needs to meet up flush with the door magnet. I don't know if a bracket is missing. I contacted customer service and they are sending parts. We'll see. It looks like a design flaw.
Answered by: Tonik93
Date published: 2020-04-16

I have your model #566900 mailbox and some idiot thought it would be fun to rip off the red flag. Do you sell those separately? Say yes please...

Asked by: Alina
Please contact our Consumer Specialist Staff at 1-800-347-8372, Monday through Friday, 8am-5PM Eastern Standard Time for assistance.
Answered by: Step2 Staff Member
Date published: 2020-09-13

I have the MailMaster Trim (533800) will this larger mailbox work on the base for the trim version?

Asked by: kimmie6661
Proper mounting of the MailMaster Trim has a 4x4 post that sticks 24 inches above ground for mounting. The Express model uses a 4x4 that is 33 inches above the ground. This 9 inch difference may affect where the mounting bolts can be placed. I'd recommend a new post or go with the MailMaster Plus which uses a 24" post mount.
Answered by: Mailbox Doctor
Date published: 2019-06-28

one of the plastic nibs holding the flag on my mailbox has broken off. Is it possible to purchase just the flag?

Asked by: Harriet
Thank you for contacting Step2. Yes - Please contact at us 1-800-347-8372 Monday - Friday, 8:00 am - 11:00 am and 12:00 pm - 5:00 pm EST and ask for a Customer Service representative and that you would like to order and they can provide pricing and lead-time. Regards, Step2 Consumer Service
Answered by: Consumer Service
Date published: 2019-02-27

What are the interior dimensions of the mailbox? Height and width.

Asked by: SueL
All USPS mailboxes and mailboxes produced by Step2 internally measure 18.5" D x 5"W x 6"H.
Answered by: Consumer Service
Date published: 2020-06-16

I want to attach this mailbox/tube combo to an existing antique wrought iron post.......Is that possible.......I don't want to use the plastic post cover!!

Asked by: Annette
Please open the following link to view the instructions of the Mailmaster® Express Plus Mailbox™ as the tube/newspaper slot is attached to the post. https://images.step2.com/media/pdfs/578799_assembly.pdf
Answered by: Step2 Staff Member
Date published: 2018-08-27

I am looking for the Mailmaster Wrought Iron mailbox in black. Our HOA says that one is the one we use in our area. I cannot find this one anywhere. Any help to find would be great. Thanks

Asked by: csloan
Unfortunately, the Mailmaster Wrought Iron Mailbox has been discontinued and we no longer have stock of this unit.
Answered by: Step2 Staff Member
Date published: 2018-07-31

Does the mail box come with numbers? If not, what numbers would you recommend.

Asked by: Dennis
The MailMaster Express Plus Mailbox™ does not arrive with address labels. Please check with your local hardware store as there are many options to choose from.
Answered by: Step2 Staff Member
Date published: 2020-10-14