Expert guides on email validation, deliverability, and list hygiene.
Your signup form is your growth loop. Here's how to pick an email validation API that's fast enough for real-time use — without killing conversions.
Startups need email validation but can't justify $50/month. Here are the best free and budget-friendly options — and which one actually makes sense.
Looking for a ZeroBounce alternative? Here are 7 email validation tools compared on pricing, speed, and what they're actually good at.
An honest comparison of MailRook and ZeroBounce — pricing, speed, accuracy, and who each tool is actually built for.
Complete guide to email deliverability in 2026. Learn how to improve inbox placement, reduce bounce rates, set up authentication (SPF, DKIM, DMARC), and protect your sender reputation.
Step-by-step guide to integrating email validation in Python. Learn to verify single emails and process bulk lists using the MailRook REST API with code examples.
Learn what email verification is, how it works, and why every business sending emails needs it. Covers syntax checks, DNS validation, SMTP verification, and more.