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