Temp Mail Blocker

Validate emails and detect temp-mail using your dashboard API.

As of June 2026, Temp Mail Blocker has 38 users and a 5.00/5 rating from 4 reviews in the Productivity category.

Usersno change0%
38
38
Ratingno change0%
5.00
4 reviews
Reviewsno change0%
4
Version
0.1.2
Manifest V3

History

5 snapshots

Tracking since Apr 18, 2026.

42.439.536.6Apr 18, 2026Jun 8, 2026
View as table
DateUsersRatingReviewsVersion
Apr 18, 2026385.0040.1.2
Apr 28, 2026425.0040.1.2
May 15, 2026375.0040.1.2
May 28, 2026385.0040.1.2
Jun 8, 2026395.0040.1.2
Now385.0040.1.2

Permissions & access

Permissions
storagecontextMenusactiveTab
Host access
https://tempmailblocker.com/*

Screenshots

Temp Mail Blocker screenshot 1Temp Mail Blocker screenshot 2Temp Mail Blocker screenshot 3

About

TEMP MAIL BLOCKER

Validate email addresses and detect disposable/temporary email services in real time as you browse. Temp Mail Blocker helps prevent fake signups and improve data quality.

**Key Features:**

**Real-time email validation**
- Validates emails as you type, paste, or hover
- Works in text inputs, forms, spreadsheets (Excel/Google Sheets), and contenteditable elements
- Instant visual feedback with color-coded badges

**Disposable email detection**
- Detects temporary/disposable email services
- Blocks common temp-mail providers automatically
- Red badge for invalid/disposable emails, green for valid ones

**Multiple validation methods**
- **Auto-detect mode**: Hover over emails or select text to validate automatically
- **Manual validation**: Use the popup to validate any email address
- **Context menu**: Right-click selected text to validate emails

**Smart detection**
- Detects emails in text nodes, mailto links, and form fields
- Works with complex DOM structures (Gmail, Outlook, etc.)
- Caches results for 5 minutes to reduce API calls

**Visual indicators**
- Inline badges show validation status next to emails
- Toast notifications for validation results
- Extension badge shows overall status (TMP for disposable, OK for valid)

**Privacy & security**
- API key stored securely in browser storage
- No personal data collected or stored
- All validation happens through your Temp Mail Blocker dashboard API

**Use Cases:**
- Prevent fake signups on registration forms
- Validate email lists in spreadsheets
- Check email addresses in web applications
- Block disposable emails during user registration
- Improve data quality in CRM systems

**How to Use:**
1. Install the extension
2. Get your API key from the Temp Mail Blocker dashboard
3. Paste your API key in the extension popup
4. Enable auto-detect mode for automatic validation
5. Start browsing - emails will be validated automatically!

**Perfect for:**
- Developers building registration forms
- Marketing teams managing email lists
- Customer support teams verifying user emails
- Data analysts cleaning email databases
- Anyone who needs to validate emails quickly

Technical

Version
0.1.2
Manifest
V3
Size
196KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
nandnilkijfndbmjomfmilhopbiihahk
Developer ID
u2046226c94bf0c3acf8014e007a10235
Developer Email
[email protected]
Created
Nov 13, 2025
Last Updated (Store)
Nov 15, 2025
Last Scraped
Jun 8, 2026
Website

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Data sourced from the Chrome Web Store · last verified Jun 8, 2026.