report_spam

Report a message as spam. Trains the anti-spam filter (Rspamd) and moves the message to the Junk folder. Returns whether Rspamd training succeeded.

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/report-spam.md

WHAT IT DOES

What report_spam does on TrekMail MCP Server

AI agents use report_spam 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 report_spam is rated Medium

This tool modifies data reversibly: it changes a message's location (Junk folder) and updates filter training data, both of which can be undone (move message back, retrain filter). It does not delete data irreversibly, execute arbitrary code, or perform destructive operations.

From the tool's definition Tool description explicitly states it 'moves the message to the Junk folder' and 'trains the anti-spam filter', which are reversible modifications to message state and filter configuration.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

report_spam Rate-limited

report_spam 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": {
    "report_spam": {
      "limits": [
        {
          "counter": "report_spam_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 report_spam call is checked against it from then on.

FAQ

Questions about report_spam

What does the report_spam tool do? +

Report a message as spam. Trains the anti-spam filter (Rspamd) and moves the message to the Junk folder. Returns whether Rspamd training succeeded. 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 report_spam? +

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

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

Can I rate-limit report_spam? +

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

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

report_spam 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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