Definition
Checking whether an address is valid and safe to send to, by testing syntax, domain and mailbox, to remove dead and risky addresses before sending.
Glossary
Email verification
Checking whether an address is valid and safe to send to, by testing syntax, domain and mailbox, to remove dead and risky addresses before sending.
Related terms
- List hygieneThe ongoing practice of removing invalid, inactive and risky addresses so your list stays deliverable.
- Hard bounceA permanent delivery failure, usually because the address does not exist. Hard-bounced addresses should be suppressed immediately.
- Catch-all addressA domain set to accept mail to any address. It makes verification uncertain because invalid addresses are not rejected.
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