Skip to main content

Blog

Email deliverability insights

Expert guides, best practices, and industry insights to help you master email verification and deliverability.

Subscribe via RSS
FeaturedGuide

SPF, DKIM, and DMARC: The complete email authentication guide

Set up SPF, DKIM and DMARC to protect your domain from spoofing and improve deliverability, with step-by-step setup instructions and troubleshooting.

7 min read

Read article

Latest articles

Guide6 min read

Why we don't publish an accuracy percentage

Why no email verifier can measure an accuracy percentage honestly, what to ask a vendor instead, and what Kawaa publishes in place of a number.

Read more
Guide6 min read

Hard bounces vs soft bounces: Understanding email bounce types

Learn the difference between hard and soft bounces, what causes each type, and how to handle them to protect your sender reputation.

Read more
Guide6 min read

Role-based addresses: Should you send to info@ and sales@?

Addresses like info@, sales@ and support@ look like valid targets but can hurt deliverability. Learn why they're risky and how to handle them.

Read more
Guide5 min read

Email warmup: How to build sender reputation from scratch

New domain or IP? Learn the exact process to warm up your email infrastructure, avoid spam filters, and build a strong sender reputation that lasts.

Read more
Guide5 min read

Email deliverability audit: The complete checklist for 2026

An actionable checklist to audit your email deliverability, covering authentication, list hygiene, sender reputation, infrastructure and monitoring.

Read more
Guide4 min read

Catch-all emails: How to verify unverifiable addresses

Catch-all domains accept every address, so a mailbox check cannot tell a real one from a made-up one. Learn how detection works and how to weigh the risk.

Read more

More articles

Join the Kawaa Deliverability Brief

Source-backed notes on email verification, list hygiene and deliverability. Confirm your address to join.

Confirm your address to join. You can unsubscribe from the welcome email.