Glossary
Whitelist
A list of senders a recipient or system has approved so their mail is not filtered; now often called an allowlist.
ValidReach Team · Updated 2026-10-26
In practice
Subscribers can add your address to their contacts, and mail administrators can approve a sending domain. Ask new subscribers to do it, but do not depend on it for delivery.
Verification and sending
Not related to verification; it describes sender approval on the receiving side.