update_domain_smtp_profile · TrekMail MCP Server MCP

WHAT IT DOES

What update_domain_smtp_profile does on TrekMail MCP Server

AI agents use update_domain_smtp_profile 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.

WHY IT NEEDS A POLICY

Why update_domain_smtp_profile needs a policy

This tool modifies SMTP profile settings that have broad impact across all domains using that profile. While the changes are technically reversible (a new update can restore prior settings), the blast radius is high because misconfiguration could disrupt email delivery for multiple domains.

From the tool's definition Tool description explicitly states 'Update a saved SMTP profile (affects every domain using it)'. This modifies configuration that impacts multiple domains' email infrastructure.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_domain_smtp_profile Rate-limited

update_domain_smtp_profile 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_smtp_profile": {
      "limits": [
        {
          "counter": "update_domain_smtp_profile_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 TrekMail MCP Server, so you can run agents against it safely.

FAQ

Questions about update_domain_smtp_profile

What does the update_domain_smtp_profile tool do? +

Update a saved SMTP profile (affects every domain using it). Omit password to keep the current one. Requires TREKMAIL_ALLOW_DESTRUCTIVE=true. 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_smtp_profile? +

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

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

Can I rate-limit update_domain_smtp_profile? +

Yes. Add a rate_limit block to the update_domain_smtp_profile 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_smtp_profile completely? +

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

update_domain_smtp_profile 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.