Compatibility
Minecraft: Java Edition
1.21.x
1.20.x
Platforms
Details
Licensed ARR
Published 5 days ago
Updated 3 hours ago
PostMaster is a lightweight and powerful mailbox plugin for Paper/Folia servers.
Features
- Offline & Online Mail: Send mail to players whether they're online or offline.
- Custom Vouchers: Define vouchers redeemable through the mail system.
- Configurable Storage: Support for YAML, SQLite, MySQL, and HikariCP-based connections.
- Intuitive GUI: Built-in inventory-based interfaces for viewing mail, composing messages, and managing vouchers.
- API & Bridge: Expose an API for other plugins and allow easy interoperability.
- Permissions Support: Fine-grained command permissions (
postmaster.use, etc.). - Scheduler Integration: Background tasks handle mail expiration and notification delivery.
- Folia-friendly: Fully compatible with Paper and Folia builds.
Installation
- Place the JAR in your server's
plugins/folder. - Restart or reload the server.
- Configure
config.ymlto choose your preferred storage and customize messages.
Configuration
The plugin ships with a sample config.yml which allows you to adjust storage settings, voucher definitions, and GUI colors. Example voucher files can be found under vouchers/example-voucher.yml.
Why PostMaster?
PostMaster offers a smooth in-game experience with minimal configuration. Its modular architecture makes it easy to extend or integrate with other plugins. Whether you're running a small survival server or a bustling network, PostMaster keeps your players connected with reliable mail delivery.




