How to Review Emails with ActionMailer::Preview (Ruby on Rails 6)

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ActionMailer::Preview is such an under utilised feature of most of the Ruby on Rails projects I’ve worked on. It allows you to build mailers within your browser & it comes built in.

I’m a big fan of using this feature of sending lots of emails. On your local development environment it’s located http://127.0.0.1:3000/rails/mailers .

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