EmailKingEmailKing Blog
Guides on finding and verifying business email addresses and getting cold email delivered — written by the team that builds EmailKing.
- Guide
How to Build a B2B Lead List From Scratch (A Practical, Low-Cost Workflow)
A step-by-step workflow for building a targeted B2B lead list without a big data budget: define the ICP, collect company domains from free sources, pull published contacts, clean, segment and send responsibly.
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- Guide
What Is a Catch-All Email Address? (And Why No Verifier Can Fully Confirm One)
Catch-all domains accept mail for any address, so verification tools can't tell real inboxes from fake ones. Here's how catch-all works, why it matters for bounce rates, and how to handle these contacts safely.
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- Guide
What's a Good Bounce Rate for Cold Email? Benchmarks, Causes and Fixes
Keep cold email bounces under 2% — here's why that number matters, the difference between hard and soft bounces, what Gmail, Yahoo and Outlook expect from senders, and a checklist to bring your bounce rate down.
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- Guide
The Cold Email Legal Guide — GDPR, CAN-SPAM and Beyond (Send Without Fines)
CAN-SPAM in the US, GDPR in Europe, and opt-in regimes elsewhere: the rules that keep your cold outreach legal, country by country.
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- Guide
Company Email Formats: The 8 Most Common Patterns and How to Find Any Company's
first.last@, f.last@, first@: companies use a handful of email patterns. Learn the common formats, how to work out a specific company's pattern from public sources, and why a guessed address is not a verified one.
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- Guide
Email Verification, Explained — How It Works and the Numbers That Matter
Why hard bounces destroy sender reputation, what each verification stage can and can't tell you (syntax → DNS MX → mailbox checks), and the operating thresholds that matter.
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- Comparison
EmailKing vs Apollo.io — Pricing, Features, and Which to Pick
An honest comparison of Apollo.io and EmailKing: pricing, features and approach, based on list prices (checked Sep 2026).
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- Comparison
EmailKing vs Hunter.io — Pricing, Features, and Which to Pick
An honest comparison of Hunter.io and EmailKing: pricing, features and approach, based on list prices (checked Sep 2026).
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- Comparison
EmailKing vs Skrapp — Pricing, Features, and Which to Pick
An honest comparison of Skrapp and EmailKing: pricing, features and approach, based on list prices (checked Sep 2026).
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- Comparison
EmailKing vs Snov.io — Pricing, Features, and Which to Pick
An honest comparison of Snov.io and EmailKing: pricing, features and approach, based on list prices (checked Sep 2026).
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- Comparison
EmailKing vs ZoomInfo — Pricing, Features, and Which to Pick
An honest comparison of ZoomInfo and EmailKing: pricing, features and approach, based on list prices (checked Sep 2026).
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- Guide
7 Ways to Find Anyone's Email Address (Manual to Automated)
Seven proven ways to find a prospect's, candidate's or partner's email address, ordered by effort and accuracy.
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- Guide
How to Find Email Addresses on a Website: 8 Places They Hide
Contact pages are only the start. Here's where websites actually keep their email addresses — footers, mailto links, obfuscated text, Cloudflare-protected markup — and how to pull them out fast.
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- Guide
SPF, DKIM & DMARC Setup Guide — The 3 Records Cold Email Lives On
Gmail and Yahoo now enforce strict sender rules. Here is a step-by-step guide to SPF, DKIM and DMARC so your outreach actually reaches the inbox.
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- Guide
The 6 Real Reasons Cold Emails Land in Spam (And How to Fix Each)
Six technical and behavioral reasons your cold email goes straight to spam — and the fix for each one.
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Free email tools
- Spam word checker — catch spam-trigger words in your subject and body before sending
- SPF & DMARC checker — check your domain's authentication records
- Email preview — see how your email looks in the inbox
- Website email extractor — try one URL without signing up (preview up to 3 emails)