set_mailbox_client_auth_mode

Choose what mail apps (IMAP, SMTP, ManageSieve, CalDAV/CardDAV) may sign in to a mailbox with.

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/set-mailbox-client-auth-mode.md

WHAT IT DOES

What set_mailbox_client_auth_mode does on TrekMail MCP Server

AI agents use set_mailbox_client_auth_mode 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 set_mailbox_client_auth_mode is rated Medium

Modifies mailbox authentication settings, affecting access control and messaging capabilities without irreversible deletion.

From the tool's definition Choose what mail apps may sign in to a mailbox with.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

set_mailbox_client_auth_mode Rate-limited

set_mailbox_client_auth_mode 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": {
    "set_mailbox_client_auth_mode": {
      "limits": [
        {
          "counter": "set_mailbox_client_auth_mode_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 set_mailbox_client_auth_mode call is checked against it from then on.

FAQ

Questions about set_mailbox_client_auth_mode

What does the set_mailbox_client_auth_mode tool do? +

Choose what mail apps (IMAP, SMTP, ManageSieve, CalDAV/CardDAV) may sign in to a mailbox with. 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 set_mailbox_client_auth_mode? +

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

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

Can I rate-limit set_mailbox_client_auth_mode? +

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

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

set_mailbox_client_auth_mode 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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