# AltMail

> Avoid spam and protect your personal inbox with temporary email addresses. Autofill email fields in one click, check incoming email directly from the extension, and receive instant notifications when a new OTP code arrives.

Canonical page: [https://chrome-stats.com/d/altmail](https://chrome-stats.com/d/altmail)

## Overview

- **ID:** `altmail`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Calpurnia
- **Category:** privacy-security,social-communication
- **Daily users:** 1
- **Version:** 0.1.2
- **Last updated:** 2026-07-20
- **First published:** 2026-07-14
- **Size:** 62 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/altmail/)
- **Website:** [https://altmail.org/en/](https://altmail.org/en/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/altmail/privacy/](https://addons.mozilla.org/firefox/addon/altmail/privacy/)

## Description

<strong>Avoid spam with temporary email addresses</strong>

AltMail helps protect your personal inbox when signing up for websites and online services.

<strong>Features</strong>
<ul><li>Create a custom temporary address or generate a new one instantly</li><li>Autofill email fields with one click</li><li>Check your inbox directly from the extension</li><li>Receive emails and attachments up to 10 MB</li><li>Automatically detect OTP and verification codes</li><li>Get instant notifications when a new OTP code arrives</li><li>Reuse a previously created address easily</li><li>Delete emails manually at any time</li><li>Emails are automatically deleted after 24 hours</li><li>No account or registration required</li></ul>
The service is designed for receiving emails only and cannot send or reply to messages.

## Rankings

- #123,037 — Overall
- #161 — hotmail

## Permissions and access

### Permissions

- `storage`
- `alarms`
- `notifications`
- `activeTab`
- `scripting`
- `clipboardWrite`

### Host permissions

- `https://altmail.org/*`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [MailBot — Disposable email](https://chrome-stats.com/d/mailbot-disposable-email) — 1 users
- [ScrapMail – Temp Email Autofill](https://chrome-stats.com/d/scrapmail-temp-email-autofill) — 1 users
- [Temporary eMail - Temp Email](https://chrome-stats.com/d/temporary-email-temp-email) — 1 users
- [MailFlash — Instant Email](https://chrome-stats.com/d/mailflash-instant-email)
- [CyberTemp - Premium Temp Mail](https://chrome-stats.com/d/cybertemp-premium-temp-mail) — 1 users
- [15 Minute Mail - Disposable Temporary Email](https://chrome-stats.com/d/15-minute-mail-temp-email) — 3 users
- [iLoveMob - Temp Mail Service](https://chrome-stats.com/d/ilovemob-temp-mail-service)
- [Tempy Email](https://chrome-stats.com/d/tempy-email) — 1 users
- [Temp Mail - Temporary Email](https://chrome-stats.com/d/fakesmail-generator) — 9 users, 5.00 / 5
- [Temp Mail - Disposable Temporary Email](https://chrome-stats.com/d/disposable-temporary-email) — 49 users
- [Temp Mail Ninja - Temporary Mail](https://chrome-stats.com/d/tempmailninja) — 9 users
- [TempMail Pro - Disposable Email](https://chrome-stats.com/d/tempmail-pro-disposable-email) — 2 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/altmail)