How to Send Emails in Ruby Without Rails | Mail, Pony & Letter Opener Gems Explained

Learn how to send emails in Ruby projects without relying on Rails. In this video, we cover the Mail gem for SMTP setup, attachments, and inline images, plus lightweight tools like Pony (for one-line sends) and Letter Opener (for local previews). You’ll also see how to handle personalization, bulk sending, and scheduling with Sidekiq or Rufus-scheduler.

Perfect for Ruby developers building CLI tools, background workers, or lightweight apps.

Topics covered:
00:00 Intro
00:35 Sending Emails with The Mail Gem
01:18 Building and Sending Plain Text Email
01:45 Attachments and Inline Images
02:36 Lightweight Gem: Pony
02:55 Letter Opener
03:30 Andanced features
03:48 Personalization, Bulk Sends and Attachments
04:54 Scheduling Emails
05:39 Template Management and Email Testing
06:35 Local Preview Options
06:55 Version Control Rollbacks

👉 For more details, check out our full blog article with code examples: https://unione.io/en/blog/ruby-send-e...

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💡 Ruby + Rail Libraries →    • Sending Emails with Ruby: ActionMailer & M...