Catch-all domains explained: why 'accept all' makes verification hard
A catch-all domain accepts mail for every address, real or not, so a verifier cannot confirm a mailbox. Here is how we detect it and how to mail those contacts safely.
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Deliverability, explained.
Guides and research on email verification, bounce rates, catch-all domains, disposable addresses, list hygiene and sender reputation. Written by the people who run the engine.
3 posts tagged catch-all
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@What is email verification and how does SMTP verification work?
Email verification checks whether an address can really receive mail. We walk through syntax, MX, reputation lists, the SMTP handshake, catch-all probes and scoring.
@Email verification for cold outreach and B2B prospecting
Cold lists are guessed, scraped and aged, so they bounce more. How to verify before every sequence, handle catch-all domains, stay under 1% bounces and keep the programme compliant.
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