mittwald_mail_deliverybox_update
Update a delivery box.
This record as markdown: /tools/mittwald-mcp-server/mittwald-mail-deliverybox-update.md
What mittwald_mail_deliverybox_update does on Mittwald MCP Server
AI agents use mittwald_mail_deliverybox_update to create or update resources in Mittwald MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mittwald MCP Server environment.
Why mittwald_mail_deliverybox_update is rated Medium
The tool modifies mail delivery settings (delivery box configuration) which is a reversible change. This is Write-category because the action creates or modifies data reversibly. Severity is high because unauthorized modification of mail delivery boxes could redirect critical communications, disrupt email service, or expose sensitive correspondence—affecting business continuity and data confidentiality.
From the tool's definition Tool name contains 'update' and description states 'Update a delivery box.' This modifies existing mail delivery configuration.
Attacks that exploit this kind of access
The rule that runs mittwald_mail_deliverybox_update safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mittwald MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mittwald_mail_deliverybox_update, this is the rule to start with:
mittwald_mail_deliverybox_update 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 Mittwald MCP Server, apply this rule, and every mittwald_mail_deliverybox_update call is checked against it from then on.
Questions about mittwald_mail_deliverybox_update
Update a delivery box. It is categorised as a Write tool in the Mittwald MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mittwald MCP Server MCP server in PolicyLayer and add a rule for mittwald_mail_deliverybox_update: 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 Mittwald MCP Server. Nothing to install.
mittwald_mail_deliverybox_update 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 mittwald_mail_deliverybox_update 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 mittwald_mail_deliverybox_update. 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.
mittwald_mail_deliverybox_update is provided by the Mittwald MCP Server MCP server (mittwald/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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