get_domain_signature

Get the per-domain email signature settings (mode, position, html). Returns mode=

SERVERTrekMail MCP Server SOURCEtrekmail/mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trekmail-mcp-server/get-domain-signature.md

WHAT IT DOES

What get_domain_signature does on TrekMail MCP Server

AI agents call get_domain_signature to retrieve information from TrekMail MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_domain_signature is rated Low

This tool retrieves and queries email signature configuration settings with no side effects. It is a read-only operation that fetches existing data without creating, modifying, or deleting anything. The low severity reflects minimal risk even if misused—an agent accessing signature settings poses no blast radius for data loss, financial impact, or service disruption.

From the tool's definition Tool name is 'get_domain_signature' and description states 'Get the per-domain email signature settings' with no modification, creation, or deletion capability. Returns only signature configuration data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_domain_signature Allowed

get_domain_signature is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_domain_signature": {}
  }
}

ALLOW ONLY 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 get_domain_signature call is checked against it from then on.

FAQ

Questions about get_domain_signature

What does the get_domain_signature tool do? +

Get the per-domain email signature settings (mode, position, html). Returns mode=. It is categorised as a Read tool in the TrekMail MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_domain_signature? +

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

get_domain_signature is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_domain_signature? +

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

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

get_domain_signature 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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