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How to save emails with attachments using ActionText and ActiveStorage
Properly sending email notifications consists of a lot more than just a To and From. The In-Reply-To, References, and BCC headers are important for sending email notifications to your users.
Rails provides several really useful test helpers for ActionMailer so we can quickly iterate on our design, test that our code queues up the right emails, and make sure our emails contain the right content.
Ever wondered how to add the Unsubscribe link to your emails? We can do that using ActinoMailer in Rails with the List-Unsubscribe header and GlobalID
Learn how to route inbound emails with ActionMailbox in your Rails app
Rails lets you intercept and observe emails sent out by your application. This is incredibly useful for staging / preview environments and audit log trails
Learn how to send emails to a local SMTP server called Mailcatcher for testing and designing emails
Learn how to handle inbound emails in your Rails application and use them to create comments in your app
Advanced techniques on sending emails over SMTP with local views and Mandrill's API with remote templates
Setup Rails to send emails over SMTP using your Sendgrid account
Learn how to send email notifications to users with Rails 4.2 ActionMailer, deliver_later, and email previews
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