update_domain_catch_all

SERVERTrekMail MCP Server SOURCEtrekmail/mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trekmail-mcp-server/update-domain-catch-all.md

WHAT IT DOES

What update_domain_catch_all does on TrekMail MCP Server

AI agents use update_domain_catch_all to create or update resources in TrekMail MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TrekMail MCP Server environment.

RISK

Why update_domain_catch_all is rated Medium

This tool modifies email infrastructure settings (catch-all forwarding rules) which can be changed or undone. It is a Write operation because it creates or modifies domain configuration reversibly. Severity is medium because misconfiguration could cause unintended email routing (business continuity impact) but doesn't delete data or move money.

From the tool's definition Tool description states 'Configure catch-all email forwarding for a domain' — the verb 'configure' and action of setting up forwarding rules indicates modification of domain email settings. This is reversible configuration change, not a destructive action.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_domain_catch_all Rate-limited

update_domain_catch_all stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_domain_catch_all": {
      "limits": [
        {
          "counter": "update_domain_catch_all_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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 update_domain_catch_all call is checked against it from then on.

FAQ

Questions about update_domain_catch_all

What does the update_domain_catch_all tool do? +

Configure catch-all email forwarding for a domain. Unmatched emails will be forwarded to the destination. Internal targets (mailboxes on the same domain) work on all plans. External targets require Pro or Agency plan. It is categorised as a Write tool in the TrekMail MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_domain_catch_all? +

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

update_domain_catch_all is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit update_domain_catch_all? +

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

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

update_domain_catch_all 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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