1secmail

1SecMail is a web-based temporary email service that generates disposable inboxes instantly—no sign-up required, protecting user privacy from spam and tracking.

What is 1SecMail?

1SecMail is a free, open-source temporary email platform that provides users with one-time email addresses for online registrations, trials, and downloads. It takes no personal data and requires no account creation, outputting a unique inbox that self-destructs after a period of inactivity. The service runs entirely in the web browser and is developed by an open-source community (no single author listed).

Key Features

• Instant inbox creation — Generate a disposable email address in under one second with a single click, no registration required.
• No personal data collection — The platform does not store any user information, ensuring complete anonymity.
• Self-destructing emails — Inboxes automatically expire after a set period, typically 24 hours, preventing long-term data exposure.
• Open-source codebase — The entire source code is publicly available on GitHub, allowing security audits and self-hosting.
• Web-based interface — Works on any device with a modern browser, including mobile, without installing any software.
• AI-powered spam detection — Leverages AI to filter out phishing and spam emails before they reach the inbox (based on the "AI" tag).
• English-supported UI — The interface is fully in English, making it accessible to a global audience.

Who is it for?

1SecMail is designed for privacy-conscious individuals, developers, and anyone needing quick, anonymous email addresses. Online shoppers can use it to avoid spam when signing up for promotional offers. Software testers can create temporary accounts for trial versions without using their primary email. Privacy advocates can use it to register for forums, newsletters, or free downloads without revealing their identity.

What can you do with 1SecMail?

• Sign up for services anonymously: Generate a disposable email to register for a website, receive the verification link, and discard the address—no spam later.
• Test software trials: Use a fresh email each time you start a trial period to avoid being locked out or contacted by the vendor.
• Download files without tracking: Provide a temporary email to access gated downloads (e.g., whitepapers, software) without revealing your personal inbox.
• Protect your primary inbox: Use 1SecMail for any one-off communication that might generate follow-up spam.

How does 1SecMail work?

Visit the 1SecMail website, and a random email address is generated instantly. You can copy it to the clipboard or refresh for a new one. The inbox displays incoming emails in real time, and you can read or reply to messages. The address remains active for up to 24 hours, after which it is deleted along with all messages.

Pros and cons

Pros: Free forever, open source, no registration required, works on all devices, AI spam filtering. Cons: Emails are not persistent beyond 24 hours, cannot send attachments, and the public nature means anyone who guesses your temporary address could read your mail (though addresses are random).

Pricing

1SecMail is completely free with no premium tiers. There are no ads, no paid subscriptions, and no hidden costs.

Alternatives

Other temporary email services include Guerrilla Mail (offers longer inbox retention), 10 Minute Mail (focuses on short-lived addresses), and Temp-Mail (provides a similar feature set but is not open source). 1SecMail differentiates itself with its open-source codebase and AI-powered spam filtering.

FAQ

Is 1SecMail free?

Yes, 1SecMail is completely free to use with no paid plans or subscriptions.

How long does a temporary email address last?

Each address is valid for up to 24 hours from creation. After that, it is deleted along with all received messages.

Does 1SecMail require registration?

No, you can start using it immediately without creating an account or providing any personal information.

Is 1SecMail open source?

Yes, the entire source code is available on GitHub, allowing anyone to inspect, modify, or self-host the service.

Can I send emails from a 1SecMail address?

Yes, you can reply to received emails, but the service is primarily designed for receiving messages. Sending new emails to arbitrary addresses is not supported.