Actionmailer (2)

This article covers everything you ever wanted to know (and more) about previewing emails and ActionMailer templates in Ruby on Rails. I cover native ActionMailer previews, the letter_opener gem, MailCatcher and MailHog. I've tested them all, and I cover how to use them, and their pros and cons.

How I switched from using direct SendGrid API calls to implementing ActionMailer for cleaner, more manageable code. Our final implementation will take us from 36 lines of code, down to 1 ...