Koskamo

Verify email list quality for outreach

A cleaned list of email addresses separated into valid, invalid, and uncertain categories, ensuring higher deliverability for subsequent marketing efforts.

How it works

Read-onlyData and analysis

The agent takes an uploaded list of email addresses, runs them through the verification service, and categorizes the results. It presents the valid addresses for use and flags invalid or uncertain ones to prevent bounce penalties.

Prompt

Paste this into an agent that has the servers below connected. Adjust the names and dates to your own.

Prompt for Verify email list quality for outreach
Check the email addresses in this uploaded list. Separate valid addresses from invalid or uncertain results before I use it for outreach.

MCP servers it needs

Source

The vendor page this playbook is drawn from, and the passage that supports it.

The agent can then size a market, look at the people, save a list, get checked emails and phone numbers, find one email, check your own list, build and launch a campaign from your mailboxes, answer the replies, order new mailboxes and buy credits, always asking you before it spends or sends.
Agents and MCP | Argorant Developer Hub

Each playbook is drawn from the vendor page it cites and reviewed by Koskamo before it is published. Koskamo does not run these servers or your agent: check what each tool will do before you let it act on your accounts.