email verification

Email & Data

What Is an MX Record and Why Does It Matter for Email?

Learn how MX records route email, how DNS affects delivery, and why an MX check is useful during email verification.

Email & Data

Email List Hygiene: A Practical Guide to Better Data Quality

Learn how to maintain cleaner email data, handle invalid addresses, monitor engagement, and reduce avoidable delivery problems.

Email & Data

How to Verify an Email Address Before Sending

A practical guide to checking email syntax, domains, MX records, and disposable addresses before you send messages or import contacts.