configure_premium_mailbox
Configure premium mailbox features and storage
This record as markdown: /tools/cbrown35-20i-mcp/configure-premium-mailbox.md
What configure_premium_mailbox does on 20i MCP Server
AI agents use configure_premium_mailbox to create or update resources in 20i MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 20i MCP Server environment.
Why configure_premium_mailbox is rated Medium
This tool modifies mailbox configuration and storage settings, making it a Write operation (reversible changes to hosted email infrastructure). Severity is high because misconfiguration could disrupt email service for users or escalate service tier costs unexpectedly.
From the tool's definition Tool name indicates 'configure' (modifies settings); description states 'Configure premium mailbox features and storage' which involves adjusting mailbox parameters.
Attacks that exploit this kind of access
The rule that runs configure_premium_mailbox safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For configure_premium_mailbox, this is the rule to start with:
configure_premium_mailbox 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 20i MCP Server, apply this rule, and every configure_premium_mailbox call is checked against it from then on.
Questions about configure_premium_mailbox
Configure premium mailbox features and storage. It is categorised as a Write tool in the 20i MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the 20i MCP Server MCP server in PolicyLayer and add a rule for configure_premium_mailbox: 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 20i MCP Server. Nothing to install.
configure_premium_mailbox 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 configure_premium_mailbox 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 configure_premium_mailbox. 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.
configure_premium_mailbox is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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