Blog
Plain-English explanations of how email verification actually works.
B2B Sales Email Verification Techniques
The core techniques sales teams use to keep bounce rates low and protect sender reputation.
What Is SMTP Email Verification?
How SMTP-level checks work, and why some providers block them on purpose.
What Is a Catch-All Email Domain?
Why some domains accept mail sent to any address, and what that means for verification.
What Is a Disposable Email Address?
Temporary email services, why people use them, and how to detect them.