Blog
Practical guides on lead generation, email verification and B2B data — written by the team that does this work every day.
MatchKraft MCP Server: Connect Claude to Your Account
MatchKraft now works directly inside Claude and other MCP-compatible AI assistants. Here's what the MCP server does, the four tools it exposes, and how to connect it in a couple of minutes.
Catch-All Email: What It Is and How to Verify One
A catch-all domain accepts every address you throw at it, real or not — which means SMTP validation can't tell you the truth. Here's what catch-all actually means, why it exists, and the techniques that actually work to check one.
Best Cold Email Strategy in 2026: Job Board Intent Data
The best cold email strategy in 2026 isn't a better subject line — it's intent data. How scraping Upwork job posts for buying signals produced a 17% reply rate and a $3,000+ recurring client, with the exact email template.
How to Scrape TripAdvisor (and What You Can Actually Get)
A no-code workflow to extract restaurant and hotel data from TripAdvisor, plus the honest part: which fields exist, which don't, and how to get the emails anyway.
Python Validate Email: Check Email Addresses via SMTP
How to validate emails in Python with MX lookups and SMTP checks — and everything the simple script doesn't tell you, from someone who runs a validation API in production.
Why Bought Email Lists Go Stale (and What to Do Instead)
Every purchased B2B list starts decaying the day it's exported. Here's the math behind the bounces, why sellers can't fix it, and what actually works.
How to Scrape Google Maps for Free (Chrome Extension)
Extract business names, ratings, phones, websites and addresses from Google Maps with a free Chrome extension — and turn the results into an outreach-ready lead list.