Get the account-wide default outbound route that new domains start on (and that
AI agents call get_account_smtp_default to retrieve information from TrekMail MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves configuration information about the default SMTP outbound route for the account. It performs a read-only query with no side effects, no data modification, and no execution of external operations. The blast radius of misuse is minimal—an agent learning the default outbound route poses no security risk.
From the tool's definition Tool name 'get_account_smtp_default' and description 'Get the account-wide default outbound route' indicate a retrieval operation with no modification of data.
Attacks that exploit this kind of access
Get the account-wide default outbound route that new domains start on (and that. It is categorised as a Read tool in the TrekMail MCP Server MCP Server, which means it retrieves data without modifying state.
Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for get_account_smtp_default: 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.
get_account_smtp_default is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_account_smtp_default 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 get_account_smtp_default. 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.
get_account_smtp_default 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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