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Expert guides, tutorials, and best practices for email validation, list hygiene, and improving email deliverability. Learn how to clean your email lists and boost your marketing ROI.

Deliverability 7 min read

How to Reduce Email Bounce Rate: A Practical Guide

High email bounce rates damage your sender reputation and waste marketing spend. Learn the difference between hard and soft bounces, what causes them, and proven strategies to keep bounce rates under 2%.

Email Validation 5 min read

Email Syntax Validation: The First Line of Defense

Syntax validation is the first check every email address should pass. Learn what makes an email syntactically valid, common format errors, and how catching these early saves time and money downstream.

Email Validation 5 min read

Common Email Typos and How to Catch Them Automatically

Email typos cost businesses thousands of lost subscribers annually. Learn the most common domain typos, why they happen, and how intelligent typo detection can suggest corrections and recover potentially lost contacts.

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