letter_opener

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

Types

Docs

Guides

Zeitwerk

Namespace

Optimized

Getting Started

Learn more about the Letter_opener gem.

Learn more about how to install and configure the gem

Learn more about the details

Learn more about the gem in the written guides

Learn more about the classes and modules

Test, play and inspect the gem for yourself

irb(main):001:0>

Run a Ruby playground with the letter_opener gem pre-installed

Play