Vendor Evaluation & Auditing

How good is your list validation vendor? Are they really finding bad addresses, or are they just giving you a "green checkmark"? This section is about how to audit your auditors and ensure your hygiene tools are actually working.

10 questions in this topic

What should you look for in a validation provider? What is a validation SLA or uptime guarantee? How to test a vendor’s accuracy? How to identify inflated accuracy claims? How does pricing reflect validation depth? What’s the difference between free and enterprise validation tools? How do vendors handle disposable email databases? How to detect a vendor using proxy SMTP pings? What are ethical and privacy considerations when validating data? How to combine multiple validators for cross-verification?

Questions about Vendor Evaluation & Auditing