Cold Email Verifier and Guesser (Public)

Overview

This skill autonomously processes a CSV of leads (containing First Name, Last Name, and Company Name), discovers their corporate domain, generates professional email permutations, and strictly verifies their deliverability.

It is designed to solve the problem of missing contact info by guessing core email angles and then checking which one is real.

The Email Guessing Engine

You don't need to provide emails in your CSV! If the CSV only contains First Name, Last Name, and Company Name, the script will automatically:

1. Look up the company's official domain using the free Clearbit API.
2. Clean the names (removing punctuation) and generate the 3 most common corporate email formats:
   • first@domain.com
   • first.last@domain.com
   • firstlast@domain.com

Verification Methods (Choose Your Engine)

Once the emails are guessed, the script must verify them. We support three methods: