set_email_domain_alias
Configure email domain alias settings
This record as markdown: /tools/cbrown35-20i-mcp/set-email-domain-alias.md
What set_email_domain_alias does on 20i MCP Server
AI agents use set_email_domain_alias 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 set_email_domain_alias is rated Medium
This tool modifies email domain alias settings, which is a Write operation (creates or updates configuration). It is not Destructive because alias configurations can be modified or removed.
From the tool's definition Tool name 'set_email_domain_alias' and description 'Configure email domain alias settings' indicate modification of email routing configuration. This is a reversible configuration change that creates or updates domain alias mappings.
Attacks that exploit this kind of access
The rule that runs set_email_domain_alias 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 set_email_domain_alias, this is the rule to start with:
set_email_domain_alias 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 set_email_domain_alias call is checked against it from then on.
Questions about set_email_domain_alias
Configure email domain alias settings. 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 set_email_domain_alias: 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.
set_email_domain_alias 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 set_email_domain_alias 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 set_email_domain_alias. 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.
set_email_domain_alias 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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