canonical-email lets you substitute the To, CC, and/or BCC email destinations with one of many replacements via a simple regular expression.

Simple notification hooks for Capistrano3

Capistrano Deployment Email Notification without Rails. Keep the whole team informed of each release! Graciously derived from capistrano_mailer.

A gem for Capistrano email release note.

Use this plugin in your rails applications to send emails through the SES/MailChimp API

Nomadix CommAPI Ruby gem

Using the contactology gem, this library provides a Contactology::Mailer to provide simple integration with sending Contactology transactional campaigns.

Campaign Monitor transactional email adapter for ActionMailer

Creeper is an evented version of Stalker

Drop-in ActionMailer adapter to send emails via Customer.io

This gem allows you to store mail templates in the database.

RSpec matchers for testing that ActionMailers deliver_later

Simple Mail Delivery Man

RSpec custom matchers for ActionMailer's deliver_later

Redirect HTML links through your preferred redirection URL

send automatically all emails via delayed_job

Rails is a framework for building web-application using CGI, FCGI, mod_ruby, or WEBrick on top of either MySQL, PostgreSQL, SQLite, DB2, SQL Server, or Oracle with eRuby- or Builder-based templates.

An adapter for using Elastic Email with Rails and Action Mailer

Blacklist particular email addresses so ActionMailer doesn't deliver emails to them.

Generate email documentation from your mailer-specs.