MailboxGUI

MailboxGUI 6.0.0 is a major rewrite focused on making the plugin cleaner, safer, easier to configure, and stronger for single-server use.

Highlights

• Added separate Free and Premium build paths.
• Added the redesigned mailbox inbox experience.
• Added multiple mailbox styles, including chest, barrel, shulker, utility block, copper chest, and shelf-style mailboxes where supported by the Minecraft version.
• Added mailbox kits with /mb kit.
• Added /mb check for checking mail without managing it.
• Added /mb track for viewing delayed mail waiting to arrive.
• Added Scheduled Mail for automatic letters, packages, COD packages, and money mail.
• Added Post Office per-player new mail notifications.
• Added expanded language/localization support with live GUI translation.
• Added stronger storage support for SQLite, YAML, and MySQL/MariaDB.
• Added safer upgrade handling for mailbox data, Post Office data, queued mail, scheduled mail, and registered mailbox locations.
• Added expanded admin tools, Shared Admin Inbox improvements, and Check Player Inbox improvements.
• Added more configurable permissions for player commands, admin tools, world access, and debug commands.
• Added improved mail expiration, COD return handling, package handling, and notification behavior.

Important Network Notice

MailboxGUI 6.0.0 Free does not include network mode.

If you need the older free network system, use MailboxGUI 5.0.0 through 5.1.1. Future network features are planned for the separate Premium edition.

Compatibility

• Supports Spigot, Paper, and Purpur 1.18.2+.
• New installs default to SQLite storage.
• Vault is required for money mail and Vault-money COD features.
• Citizens, Dynmap, and DiscBridge are optional hooks.
• Dynmap markers are not supported on Paper/Purpur 26.1.x or 26.2.x.

DiscBridge Notice

MailboxGUI and DiscBridge editions must match:

• MailboxGUI 6.0.0 Free requires DiscBridge 2.0.0 Free.
• MailboxGUI 6.0.0 Premium requires DiscBridge 2.0.0 Premium.
• Free and Premium editions cannot be mixed.

Upgrade Notes

• Back up your full plugins/MailboxGUI folder before updating.
• Back up your database before updating if using SQLite or MySQL/MariaDB.
• Review the regenerated config after updating.
• Delete old language files and let 6.0.0 regenerate them if upgrading from 5.1.1 or older.
• Full setup details are available on the wiki:

https://plugins.imagine-craft.net/mailboxgui/wiki/