Mail-in-a-Box MCP Server
Manage mail users, aliases, and system health via the Mail-in-a-Box REST API.
Vinkius AI Gateway supports streamable HTTP and SSE.

Works with every AI agent you already use
…and any MCP-compatible client


















Mail-in-a-Box MCP Server: see your AI Agent in action
Built-in capabilities (9)
create_mail_user
Requires a full email address and a password. Add a new mail user (mailbox)
create_or_update_alias
forwards_to should be a comma-separated list of emails. Add or update a mail alias
delete_mail_alias
Remove a mail alias
delete_mail_user
Remove a mail user
get_system_status
Check the status of the Mail-in-a-Box system
list_mail_aliases
List all mail aliases and forwarders
list_mail_domains
List all mail domains hosted on the server
list_mail_users
List all mail users on the server
update_user_password
Change the password for a mail user
What this connector unlocks
Connect your Mail-in-a-Box instance to any AI agent to automate your private email server management. This MCP server enables your agent to manage mailboxes, configure forwarding aliases, and monitor system health and diagnostics directly from natural language interfaces.
What you can do
- User Administration — List all mail users, create new mailboxes, and update passwords programmatically
- Alias Management — Create, update, and remove email forwarding addresses and group aliases
- System Monitoring — Retrieve real-time health status, diagnostic checks, and configuration metadata for your server
- Domain Oversight — List all hosted mail domains and subdomains configured on your instance
- Access Control — Manage administrative privileges and account settings for your email users
How it works
1. Subscribe to this server
2. Enter your Mail-in-a-Box Host, Admin Email, and Admin Password (or API Key)
3. Start managing your private email infrastructure from Claude, Cursor, or any MCP-compatible client
Who is this for?
- System Administrators — Manage mailboxes and forwarding rules via simple natural language commands
- DevOps Engineers — Automate user onboarding and system health monitoring directly from your dev tools
- Privacy-Conscious Teams — Maintain your private communication infrastructure effortlessly through an AI-integrated interface
Frequently asked questions
Give your AI agents the power of Mail-in-a-Box
Access Mail-in-a-Box and 2,000+ MCP servers — ready for your agents to use, right now. No glue code. No custom integrations. Just plug Vinkius AI Gateway and let your agents work.
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