thredded_resque adds resque, and resque-mailer support to thredded

Integrates several ESPs into a single mailing interface, so you can manage your email campaigns through multiple providers.

Provides non-Rails projects with a lightweight ActionMailer-like wrapper around the mail gem

A Ruby gem for managing and sending marketing emails. This gem provides an easy-to-use interface to create email campaigns, handle mailing lists, and track metrics such as open rates and clicks. Ideal for small businesses and individuals who need a straightforward, code-driven solution for their ...

TMail is a Ruby-based mail handler. It allows you to compose standards compliant emails in a very Ruby-way. EuroServizi patch.

Enables extra meta data options for TMail::Mail objects

ActionMailer to use the I18n library without affecting the controllers language

Easily send email in the background using TorqueBox Backgroundable and ActionMailer

The validation APIs help you validate data. Check if an E-mail address is real. Check if a domain is real. Check up on an IP address, and even where it is located. All this and much more is available in the validation API.

Hato plugin to send messages via email

Target.Mail.ru api via oauth2

Pigeons makes it a breeze to send your users lifecycle e-mails.

Tracks email open rate by including a tracking pixel in the message body.

Yandex Mail for Domain API version 2 client

postman is a ruby daemon for fetching mail for an address via pop3 and then delivering it to a specified webhook

ActionPush is a lightweight tool which allows you to organize Push notifications the same way Action Mailer does. It includes built-in support for the GORUSH gateway

Easy previews of HTML emails for your Rails app.

create epub from a book index url and mail to you. by setting a default_setting.yml you can use it in shell.

Easily send one-off emails from scripts using MailGun

This provides the implementation of a user and email store for an EventMachine-based SMTP and POP3 server.