ActionMailer

Learn about sending emails from your applications.

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17m

3 Lessons | 29m | Intermediate

17m

Sending Emails with SMTP and Sendgrid

Aug 17, 2016 Pro

Setup Rails to send emails over SMTP using your Sendgrid account

Testing Emails in Development with Mailcatcher

Aug 21, 2017

Learn how to send emails to a local SMTP server called Mailcatcher for testing and designing emails

How to Embed Images with Inline Email Attachments in rails

Apr 06, 2026 Pro

Embedding images in emails with Content IDs lets you avoid privacy protection for email tracking. We can do this with Action Mailer's inline attachments.

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