create_mailbox_generated_password
Create a new mailbox with an auto-generated one-time password. The password is returned once and must be saved immediately — it cannot be retrieved later. Storage defaults to the shared account pool; pass storage_allocation_mb to carve out a dedicated allocation. In a domain under a White Label c...
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What create_mailbox_generated_password does on TrekMail MCP Server
AI agents use create_mailbox_generated_password 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 create_mailbox_generated_password is rated Medium
Creates mailbox infrastructure with irreversible authentication credentials that cannot be retrieved or undone.
From the tool's definition Create a new mailbox with an auto-generated one-time password.
Attacks that exploit this kind of access
The rule that runs create_mailbox_generated_password 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 create_mailbox_generated_password, this is the rule to start with:
create_mailbox_generated_password 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.
The button opens the PolicyLayer dashboard: create your workspace, connect TrekMail MCP Server, apply this rule, and every create_mailbox_generated_password call is checked against it from then on.
Questions about create_mailbox_generated_password
Create a new mailbox with an auto-generated one-time password. The password is returned once and must be saved immediately — it cannot be retrieved later. Storage defaults to the shared account pool; pass storage_allocation_mb to carve out a dedicated allocation. In a domain under a White Label client storage limit (list_client_limits), that allocation must also fit in what the limit has left, or the call fails with client_storage_limit_exceeded. Where app passwords are available the response carries client_auth_mode, which is authoritative: the mode you pass, otherwise the platform default for new mailboxes (password_or_app_password until the account-level default is switched on). When it is. 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.
Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for create_mailbox_generated_password: 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.
create_mailbox_generated_password is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_mailbox_generated_password 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.
Set action: deny in the PolicyLayer policy for create_mailbox_generated_password. 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.
create_mailbox_generated_password 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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