remove_domain_alias

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/remove-domain-alias.md

WHAT IT DOES

What remove_domain_alias does on TrekMail MCP Server

AI agents call remove_domain_alias 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 remove_domain_alias is rated Critical

Removes domain alias irreversibly disrupting mail delivery for unmatched addresses.

From the tool's definition Stop this domain...unmatched addresses on this domain may stop receiving mail

Attacks that exploit this kind of access

RECOMMENDED RULE

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

remove_domain_alias Hidden

remove_domain_alias 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": [
    "remove_domain_alias"
  ]
}

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 remove_domain_alias call is checked against it from then on.

FAQ

Questions about remove_domain_alias

What does the remove_domain_alias tool do? +

Stop this domain from using the same address names as its primary domain. Existing mailboxes, aliases and forwarding rules stay in place, but other unmatched addresses on this domain may stop receiving mail. 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 remove_domain_alias? +

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

remove_domain_alias 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 remove_domain_alias? +

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

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

remove_domain_alias 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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