Better Mailer Previews is a Ruby on Rails gem that makes it easier to preview ActionMailer email templates.

MailChimp OAuth2 strategy for OmniAuth 2.0

SMS Fu allows ou to send a text-message for free in the form of an e-mail to a mobile recipient.

SMS Fu allows you to send text messages to a mobile recipient for free. It leverages ActionMailer or Pony for delivery of text messages through e-mail.

Want to send an SMS from your Rails application? SMS Fu allows you to do just that. It allows you to send a text-message in the form of an e-mail to a cell phone on any of the supported carriers.

Email processing solution for Ruby on Rails applications

Ruby gem for MailerLite API v1

A convenient way to use the Send With Us email service with a Ruby on Rails app. SendWilthUsMailer implements a mailer API similar to the ActionMailer railtie.

This gem (spree extension) provides support for multiple suppliers in one store. Products should be assigned to the supplier that they belong to, which allows you to select a supplier and view only their products. Suppliers can be associated with Taxons that allow the customer to search for suppl...

Mail Chimp subscriptions for your Spree store using hominid

Mailbin collects emails from Rails ActionMailer in development for testing.

RMail is a lightweight mail library containing various utility classes and modules that allow ruby scripts to parse, modify, and generate MIME mail messages.

The Mailosaur Ruby library lets you integrate email and SMS testing into your continuous integration process.

A ruby translation of the Kicksend mailcheck javascript library (https://github.com/Kicksend/mailcheck) which suggests a right domain when your users misspell it in an email address.

Best practice is to send text/plain && text/html markdown works great for both, so why write your templates twices?

Enable a Rails application to have separate databases for each tenant. This gem primarily extends Active Record, creating a new connection pool for each tenant and using horizontal sharding to swap between them. It also provides integrations for middleware tenant selection, Action View Caching, ...

A Ruby gem for interacting with the MailUp REST API.

Is an Action Mailer adapter for using SendGrid in a Rails application

Merb plugin for mailer support

Easily add Mailgun Webhook integration to your Rails or Rack application.