- Loaders
- Fabric
- Downloads on Modrinth
- 235
- Followers on Modrinth
- 0
- version
- 1
- Updated
- February 1, 2026Feb 1
- Published
- in 2026
At a glance
Runs on Fabric
For Minecraft 1.21.1
Needed in the game and on the server
Latest version — 1.0.0 from February 1, 2026
Requires pyke-lib
License LGPL-3.0-only — free
Where it's neededGame versions1.21.1
In gamerequiredOn serverrequired
Needed both in the game and on the server
It is easy for administrators to send messages and items to mail with players or servers. UI was created with Jetpack Compose and Material 3 through Composite mode.
Dependencies
https://modrinth.com/mod/composite https://modrinth.com/mod/pyke-lib
Commands and KeyBinding
/우편 보내기 - Open Send Mail Screen
Default Key (P) - Open MailBoxHow to use
MailBoxData newMail = MailBoxData.create(String title, String senderName, String content, List<ItemStack> items);
ModComponents.MAIL_BOX.get(receiver).addMail(newMail);FAQ
How to install MailBox?
Install Fabric for your Minecraft version, download MailBox for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does MailBox support?
MailBox has builds for Minecraft 1.21.1.
Is MailBox needed on the server?
Needed in the game and on the server
License and source
GNU Lesser General Public License v3.0 onlyfree to use and share; changes to the mod itself must be published under the same license