- Home
- Email Testing Software
- MailCatcher
On the recordRead 10 Oct 202615 facts
MailCatcher
On the record
- API
- Its REST-style endpoints provide message lists and metadata in JSON, message content, attachments, and full source.mailcatcher.me · read 10 Oct 2026
- Attachments
- It lists attachments and allows individual parts to be downloaded.mailcatcher.me · read 10 Oct 2026
- HTML preview
- It rewrites HTML to display embedded images and opens links in a new window.mailcatcher.me · read 10 Oct 2026
- Images and links
- It rewrites HTML to display embedded images and open links in a new window.mailcatcher.me · read 4 Oct 2026
- Installation
- The site instructs users to install MailCatcher with `gem install mailcatcher` and run it locally.mailcatcher.me · read 10 Oct 2026
- Integrations
- The site gives setup instructions for Rails, PHP, and Django applications.mailcatcher.me · read 10 Oct 2026
- Intended use
- The setup instructions direct applications to send mail to a local SMTP endpoint for inspection in development.mailcatcher.me · read 4 Oct 2026
- License
- The project is released under the MIT License.mailcatcher.me · read 10 Oct 2026
- Limitation
- MailCatcher does not completely support UTF-8 sent directly over the wire and advises using a mail library that encodes according to SMTP server capabilities.mailcatcher.me · read 10 Oct 2026
- Limits
- The maker says mail processing is basic and that UTF-8 is not completely supported directly over the wire.mailcatcher.me · read 4 Oct 2026
- Live updates
- Messages appear instantly in browsers supporting WebSockets; otherwise, the interface updates every thirty seconds.mailcatcher.me · read 10 Oct 2026
- Message views
- It shows HTML, plain text, and source versions of messages when available.mailcatcher.me · read 10 Oct 2026
- Purpose
- MailCatcher runs an SMTP server that catches messages and displays them in a web interface.mailcatcher.me · read 10 Oct 2026
- Requirements
- The repository README says MailCatcher requires Ruby 3.3 or newer and notes build tools may be needed for dependencies.github.com · read 4 Oct 2026
- Support
- The maker asks users to file an issue and include the complete message when reporting processing problems.mailcatcher.me · read 10 Oct 2026
