Your own domain
One MX record, a catch-all inbox, and an address per service that you can burn one at a time.
2 guides
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Your own domain
Unlimited test accounts on one catch-all domain
Why a catch-all domain is the right shape for QA, the one DNS record, a naming scheme that makes a mailbox say which pipeline made it, reading any address over the same three calls, keeping a test domain off the blocklists, sharing one domain across a team, and the limits that apply.
11 min readIntermediate
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Your own domain
Turn a domain you own into a catch-all inbox
The single DNS record, why the record itself is the proof of ownership, giving every service its own address on your domain, and the honest limits of a mailbox with no password on it.
9 min readIntermediate
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Browse by topic
- Getting started What a disposable address actually is, how to open one, and what happens to the mail afterwards. 2 guides
- Testing & CI Reading real mail from a test suite: sign-up flows, verification codes, pipelines that must not flake. 5 guides
- API & automation Scripts, schedulers and everything else you can drive over three HTTP endpoints. 4 guides
- Privacy & everyday use Signing up without handing over your real address — and being honest about where that stops working. 7 guides
- AI agents & MCP Letting an agent open an inbox, wait for the confirmation code and carry on without you. 3 guides
- Email & deliverability MX, SPF, DKIM, DMARC, bounces, and why a message that was sent never arrived. 5 guides
- Troubleshooting When mail does not turn up, the API answers 404, or a form refuses the address outright. 1 guide
- Comparisons Named services, dated facts, and the places where this one loses. 1 guide
- Alternatives GrabMail against one named service at a time: what each does well, what each costs, and which to pick for which job. 16 guides
Everything here works on a free address
One click, no account, no card. Open one and follow along.