bundler_audit_notifier is a ruby gem that will automatically scan source code for ruby gem vulnerabilities and then email you a list of the vulnerabilities

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

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

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.

Cerberus is a Continuous Integration software for Ruby projects. CI helps you keep your project in a good shape. Cerberus could be easily invoked from Cron (for Unix) or nnCron (for Windows) utilities.

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

See README for details.

Generate email documentation from your mailer-specs.