convert_mailbox_to_shared

SERVERTrekMail MCP Server SOURCEtrekmail/mcp-server

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trekmail-mcp-server/convert-mailbox-to-shared.md

WHAT IT DOES

What convert_mailbox_to_shared does on TrekMail MCP Server

AI agents call convert_mailbox_to_shared to permanently remove resources in TrekMail MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why convert_mailbox_to_shared is rated Critical

Irreversibly revokes credentials and ends direct login access for the original owner.

From the tool's definition rotates password, revokes all app passwords, ends direct login

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs convert_mailbox_to_shared safely

PolicyLayer is an MCP gateway: it sits between your AI agents and TrekMail MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For convert_mailbox_to_shared, this is the rule to start with:

convert_mailbox_to_shared Hidden

convert_mailbox_to_shared is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "convert_mailbox_to_shared"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect TrekMail MCP Server, apply this rule, and every convert_mailbox_to_shared call is checked against it from then on.

FAQ

Questions about convert_mailbox_to_shared

What does the convert_mailbox_to_shared tool do? +

Convert an existing regular mailbox into a shared (team) mailbox. The specified members are added immediately. IMPORTANT: this rotates the mailbox password, revokes all of its app passwords and ends direct login for the original owner. The mailbox is then accessed through members. It is categorised as a Destructive tool in the TrekMail MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on convert_mailbox_to_shared? +

Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for convert_mailbox_to_shared: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches TrekMail MCP Server. Nothing to install.

What risk level is convert_mailbox_to_shared? +

convert_mailbox_to_shared is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit convert_mailbox_to_shared? +

Yes. Add a rate_limit block to the convert_mailbox_to_shared rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block convert_mailbox_to_shared completely? +

Set action: deny in the PolicyLayer policy for convert_mailbox_to_shared. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides convert_mailbox_to_shared? +

convert_mailbox_to_shared is provided by the TrekMail MCP Server MCP server (trekmail/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on TrekMail MCP Server, and thousands of servers like it.

This server

All 285 TrekMail MCP Server tools → Critical-risk tools on this server →

Across the catalogue

All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern database agents →Blast radius →Tool call approval →