devmailerr 📧

Webmail and temporary email testing for VS Code, Cursor, and Antigravity — catch inbound mail, preview HTML emails, and debug email flows without leaving your IDE. One extension for both disposable inboxes and in-editor webmail.

Available on the VS Code Marketplace, Cursor Marketplace, and Antigravity extension gallery.

Features

• Webmail + Mail modes: Switch between disposable temporary email and webmail — both available inside your editor.
• Instant Temporary Email: Get a random @mail.tm address immediately upon activation.
• Auto-Refresh: Automatically checks for new messages every 15 seconds.
• Rich HTML Preview: View emails with their original styling in a dedicated editor panel.
• One-Click Copy: Copy your temporary or webmail address to the clipboard with a single click.
• Clean UI: Modern, sleek interface that matches your editor theme.

How to use

1. Open the Side Bar: Click on the devmailerr icon in the Activity Bar.
2. Choose a mode: Use the Mail or Webmail tab for the address type you need.
3. Copy Address: Click the copy icon next to the generated email address.
4. Integration: Paste this address into your code (e.g., using Nodemailer or your backend service).
5. Send Email: Trigger your code to send an email to that address.
6. View Results: The email will appear in the devmailerr list. Click on it to see the full content and styling.

Commands

• devmailerr: Refresh Emails - Manually check for new messages.
• devmailerr: Generate New Email - Discard the current address and generate a fresh one.

Development

To run the extension locally:

1. Open the project folder in VS Code, Cursor, or Antigravity.
2. Press F5 to launch a new window with the extension enabled.
3. Go to the Activity Bar and find the devmailerr icon.

Built with ❤️ for the developer community.