send-sending-domain-setup-instructions

WHAT IT DOES

What send-sending-domain-setup-instructions does on Mcp Mailtrap

AI agents use send-sending-domain-setup-instructions to create or update resources in Mcp Mailtrap — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Mailtrap environment.

WHY IT NEEDS A POLICY

Why send-sending-domain-setup-instructions needs a policy

This tool writes/sends an email message, a reversible operation that creates data (an email). It does not execute commands, delete data, move money, or perform irreversible actions. While the email concerns DNS setup instructions (which *could* facilitate domain configuration), the tool itself only sends informational email—the actual DNS changes require separate manual action by the recipient.

From the tool's definition Tool sends email DNS setup instructions, which involves creating/modifying an email communication (write operation). Description indicates it 'Email[s] DNS setup instructions...to a given address.'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send-sending-domain-setup-instructions Rate-limited

send-sending-domain-setup-instructions 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": {
    "send-sending-domain-setup-instructions": {
      "limits": [
        {
          "counter": "send-sending-domain-setup-instructions_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mcp Mailtrap, so you can run agents against it safely.

FAQ

Questions about send-sending-domain-setup-instructions

What does the send-sending-domain-setup-instructions tool do? +

Email DNS setup instructions for a sending domain to a given address. It is categorised as a Write tool in the Mcp Mailtrap MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on send-sending-domain-setup-instructions? +

Register the Mcp Mailtrap MCP server in PolicyLayer and add a rule for send-sending-domain-setup-instructions: 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 Mcp Mailtrap. Nothing to install.

What risk level is send-sending-domain-setup-instructions? +

send-sending-domain-setup-instructions is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit send-sending-domain-setup-instructions? +

Yes. Add a rate_limit block to the send-sending-domain-setup-instructions 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 send-sending-domain-setup-instructions completely? +

Set action: deny in the PolicyLayer policy for send-sending-domain-setup-instructions. 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 send-sending-domain-setup-instructions? +

send-sending-domain-setup-instructions is provided by the Mcp Mailtrap MCP server (mcp-mailtrap). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.