Testing with real live production data does come with at least one catch. All those real live users in your production environment have real live email addresses that receive real live emails.

The post includes monkey patch for ActionMailer that rewrites the domain of all recipients. It's a different take on the problem than our own mail_magnet Show archive.org snapshot gem.

Growing Rails Applications in Practice

Check out our e-book. Learn to structure large Ruby on Rails codebases with the tools you already know and love.

• Introduce design conventions for controllers and user-facing models
• Create a system for growth
• Build applications to last

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