MailBox is a premium GUI mail plugin for Minecraft servers with offline/online mail, important staff mail, paginated GUIs, PlaceholderAPI support, permission-based limits, async SQLite/MySQL storage, and full Paper support.


MailBox is a premium GUI mail plugin for Paper/Spigot servers with offline & online mail support, important staff mails, PlaceholderAPI support, async database handling, and fully configurable GUIs.
Perfect for SMP, Survival, RPG, Economy, and Community servers.
/mails GUImails.hour.5mails.hour.25mails.day.10mails.day.50The plugin automatically detects the highest permission value.
If a player has:
mails.hour.5mails.hour.15Final limit:
15 mails/hour/mail important <player> <message>/mail imp <player> <message>You have 3 new mails! Check with /mailsYou have IMPORTANT mail waiting! Check /mails| Placeholder | Description |
|---|---|
%mailbox_unread% |
Unread mails |
%mailbox_total% |
Total mails |
%mailbox_important% |
Important mails |
%mailbox_sent% |
Sent mails |
%mailbox_limit% |
Current mail limit |
%mailbox_remaining% |
Remaining mails |
| Command | Description |
|---|---|
/mail <player> <message> |
Send normal mail |
/mail important <player> <message> |
Send important mail |
/mail imp <player> <message> |
Important mail alias |
/mails |
Open mailbox GUI |
/mail delete <id> |
Delete mail by ID |
/mail reload |
Reload configs |
/mail clear <player> |
Clear player mailbox |
| Permission | Description | Default |
|---|---|---|
mail.admin |
Unlimited mails & admin commands | OP |
mail.important |
Send important mails | OP |
mails.hour.1mails.hour.2mails.hour.3mails.hour.50mails.day.1mails.day.2mails.day.3mails.day.50| Table | Purpose |
|---|---|
mails |
Stores all player mails |
mail_limits |
Stores player limit data |
mail_meta |
Stores metadata like last mail ID |
| Feature | Benefit |
|---|---|
| GUI Mail System | Easy player experience |
| Offline Messaging | Players never miss messages |
| Async Database | No server lag |
| PlaceholderAPI | Great for scoreboards & menus |
| SQLite & MySQL | Flexible storage |
| Pagination | Handles large inboxes |
| Important Mail | Staff announcements |
| Configurable GUIs | Match your server style |
| Software | Supported |
|---|---|
| Paper | ✅ |
| Spigot | ✅ |
| Purpur | ✅ |
1.21+| Plugin | Required |
|---|---|
| PlaceholderAPI | Optional |
Premium-quality Minecraft plugin developer.