Track email statuses in Ruby on Rails with SendGrid

Learn how to track emails you sent and if they bounced or were delivered using SendGrid and Ruby on Rails.When your application sends emails it is useful to know what happens to those emails, like whether it has been delivered or opened. Or, sometimes more importantly, whether it bounced. The Twilio SendGrid email API doesn't just send emails, it can also send you events via webhook that tell you what happened to your emails.In this post we'll build a small application using Ruby on Rails to send emails and update their status based on the Twilio SendGrid event webhooks.