A Rails Engine to preview plain text and html email in your browser

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail.

Email Condom for your Ruby Server. In Rails, Sinatra, et al, or simply the mail gem: Aids in development, testing, qa, and production troubleshooting of email issues without worrying that emails will get sent to actual live addresses.

When mail is sent from your application, Letter Opener will open a preview in the browser instead of sending.

Visual email testing

A mock SMTP/POP3 server to aid in the development of applications with mail functionality.

An Action Mailer delivery method that opens emails locally.