Mailcatcher is available as a Docker container, so you don't even necessarily have to set up Rubygems yourself: https://hub.docker.com/r/schickling/mailcatcher/

Mailcatcher is available as a Docker container, so you don't even necessarily have to set up Rubygems yourself: https://hub.docker.com/r/schickling/mailcatcher/ https://hub.docker.com/r/schickling/mailcatcher/