Our mission: help you get things done while protecting your privacy, reducing exposure of your real email address, and minimizing spam.
What makes us different
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Multiple domains: switch among several available domains to improve deliverability and reduce blocking.
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Education‑related domain: an edu‑oriented domain is available for specific scenarios.
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Completely free: core features are open to everyone for free.
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Instant access: visit m2u.io to get an inbox—no sign‑up or download needed.
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Lightweight and privacy‑first: we limit data collection to what’s necessary to run the service and fight abuse.
Note: disposable mailboxes are generally accessible to anyone who knows the address. Do not use them for sensitive or long‑term content.
Suitable use cases
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Receive one‑time passwords (OTP) or verification links for sign‑ups/logins
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Prevent marketing or spam when downloading or subscribing
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Short‑term testing of mail delivery by third parties
Not recommended for:
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Long‑term, traceable communications
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Sensitive or critical scenarios (e.g., finance, healthcare, government, account recovery)
Retention and visibility
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Messages are kept for a short period (typically no more than 48 hours) and then automatically purged. Always refer to the latest notice on the site.
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Anyone who knows the address may access the inbox during its active period. Avoid receiving sensitive information.
Our commitment
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Minimize data collection to what’s necessary for providing the service, combating abuse, and legal compliance.
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Be transparent about boundaries and limitations—no over‑promises.
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