Install ruby-letter-opener by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-letter-opener
Description:
Preview mail in the browser instead of sending
Preview email in the default browser instead of sending it. This means you do not need to set up email delivery in your development environment, and you no longer need to worry about accidentally sending a test email to someone else's address.
Homepage: https://github.com/ryanb/letter_opener
Version: 1.4.1-1
Section: universe/ruby