delete_domain

Permanently delete a domain and all its mailboxes. This action is irreversible. Requires TREKMAIL_ALLOW_DESTRUCTIVE=true.

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/delete-domain.md

WHAT IT DOES

What delete_domain does on TrekMail MCP Server

AI agents call delete_domain 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 delete_domain is rated Critical

This tool permanently and irreversibly deletes domains and all associated mailboxes, which cannot be undone. The blast radius is critical—loss of email infrastructure, all messages, and all user accounts within affected domains. The requirement for TREKMAIL_ALLOW_DESTRUCTIVE=true flag confirms the developers recognize this as a destructive operation. This is the most severe category applicable.

From the tool's definition Tool description explicitly states: 'Permanently delete a domain and all its mailboxes. This action is irreversible.' The tool name is 'delete_domain' and the description uses the word 'Permanently' and 'irreversible'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs delete_domain 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 delete_domain, this is the rule to start with:

delete_domain Hidden

delete_domain 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": [
    "delete_domain"
  ]
}

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 delete_domain call is checked against it from then on.

FAQ

Questions about delete_domain

What does the delete_domain tool do? +

Permanently delete a domain and all its mailboxes. This action is irreversible. Requires TREKMAIL_ALLOW_DESTRUCTIVE=true. 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 delete_domain? +

Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for delete_domain: 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 delete_domain? +

delete_domain 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 delete_domain? +

Yes. Add a rate_limit block to the delete_domain 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 delete_domain completely? +

Set action: deny in the PolicyLayer policy for delete_domain. 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 delete_domain? +

delete_domain 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.

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