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SecureTempMail
What it is
SecureTempMail provides disposable inboxes for sign-ups, downloads, and one-time verifications without requiring signup. Users can select inbox lifetimes from 10 minutes to 24 hours, after which messages are deleted. The service only receives email; temporary addresses cannot send messages. Verification and login codes are detected for copying, and incoming HTML is displayed in a sandbox with scripts disabled. SecureTempMail says inbound mail uses TLS and opportunistic STARTTLS, and that it does not log IP addresses against inbox activity or build advertising profiles. Its API can create inboxes, read and delete messages, and send real-time webhooks. The Chrome extension offers per-site aliases, one-click autofill, OTP notifications, and a side-panel inbox. Desktop apps are available for Windows, Apple Silicon Macs, and Linux; Intel Macs are not yet supported. The free plan lists unlimited disposable inboxes with lifetimes up to 24 hours, four rotating domains, and advertising. Premium costs $39/yr and includes up to 30-day retention, premium private domains, attachment downloads, no ads, inbox history and search, and priority delivery. The Developer plan costs $190 per year and includes 100k API requests per month, catch-all domains, REST API and webhooks, and an email support SLA.
For and against
For
- No signup is required for disposable inboxes.
- Verification and login codes are surfaced for copying.
- The API supports real-time webhooks.
- A free plan is listed.
Against
- Temporary addresses cannot send email.
- Free inbox lifetimes are limited to 24 hours.
- Intel Mac desktop support is not yet available.
- The service does not guarantee delivery, accuracy, or retention.
The verdict
SecureTempMail offers disposable receiving addresses through web, extension, desktop, and API options. Its receive-only design and limited free inbox lifetime are important constraints to consider.
Who it suits
It suits people who need short-lived inboxes for one-off sign-ups or verification, as well as developers needing inbox controls through an API. Users who need to send mail or use an Intel Mac desktop app will need another option.
Plans and prices
Free
Unlimited disposable inboxes · up to 24-hour lifetime · real-time inbox and OTP detection · 4 rotating domains
Read 15 Oct 2026 · securetempmail.com
Premium
Custom and reserved addresses · up to 30-day retention · premium private domains · attachment downloads
Read 15 Oct 2026 · securetempmail.com
Developer
REST API and webhooks · 100k API requests/month · catch-all domains · programmatic inbox creation
Read 15 Oct 2026 · securetempmail.com
On the record
- Analytics
- The privacy policy says aggregate privacy-respecting analytics are used and cross-site tracking cookies are not used.securetempmail.com · read 15 Oct 2026
- API authentication
- API requests use bearer authentication with an API key or a per-inbox read token.securetempmail.com · read 15 Oct 2026
- API documentation
- A full Swagger/OpenAPI specification is included with the Developer plan.securetempmail.com · read 15 Oct 2026
- API webhooks
- New messages can be posted to a developer endpoint in real time through webhooks.securetempmail.com · read 15 Oct 2026
- Attachments
- Rich HTML and images can be viewed, while attachment downloads require Premium.securetempmail.com · read 15 Oct 2026
- Availability target
- The Trust Center states that core services target at least 99.9% availability with continuous monitoring.securetempmail.com · read 15 Oct 2026
- Browser extension
- The Chrome extension provides per-site aliases, one-click autofill, OTP cards, a side-panel inbox, search and tracking-pixel blocking.securetempmail.com · read 15 Oct 2026
- Company description
- The contact page describes SecureTempMail as a small, privacy-focused team and lists support, security and developer contact addresses.securetempmail.com · read 15 Oct 2026
- Custom addresses
- Users can choose a username and domain or generate an anonymous address.securetempmail.com · read 15 Oct 2026
- Data handling
- SecureTempMail says it does not log IP addresses against inbox activity or build advertising profiles, and deletes inboxes and messages on expiry.securetempmail.com · read 30 Sep 2026
- Data retention
- The privacy policy says incoming messages are stored only for the inbox lifetime and removed at expiry or deletion.securetempmail.com · read 15 Oct 2026
- Desktop app
- A desktop app is offered for Windows, Apple Silicon Macs, and Linux; Intel Macs are not yet supported.securetempmail.com · read 30 Sep 2026
- Desktop limitation
- The desktop page warns that the Windows build is unsigned and Intel Macs are not supported.securetempmail.com · read 15 Oct 2026
- Desktop support
- The desktop app provides a tray process, native notifications, an OTP quick dialog, a mini widget, global hotkey and optional PIN lock.securetempmail.com · read 15 Oct 2026
- Developer API
- The API supports inbox creation, metadata retrieval, message listing, full-message retrieval, deletion and random-address generation.securetempmail.com · read 15 Oct 2026
- Developer integrations
- The service is positioned for CI and end-to-end testing, including isolated inboxes, OTP extraction and catch-all domains.securetempmail.com · read 15 Oct 2026
- Domains
- The service offers rotating disposable domains and premium private domains on paid plans.securetempmail.com · read 15 Oct 2026
- Email rendering
- Incoming email HTML is rendered in a sandbox with scripts disabled to neutralize tracking pixels and malicious markup.securetempmail.com · read 30 Sep 2026
