Glossary
Custom domain (sending)
Your own domain used for sending and for links and images in email, instead of the provider’s shared domain.
ValidReach Team · Updated 2026-10-26
In practice
It makes messages look like they come from you and lets you set up authentication for that domain. It needs DNS records that your sending provider tells you to add.
Verification and sending
Not related to verifying recipients. It affects how receivers see your sender.