ronin-recon is a micro-framework and tool for performing reconnaissance. ronin-recon uses multiple workers which process different data types (IP, host, URL, etc) and produce new values. ronin-recon contains built-in recon workers and supports loading additional 3rd-party workers from Ruby files ...

ActiveModel validation that checks email addresses against a blacklist of trash-mail providers

RIMS is Ruby IMap Server. This gem provides a complete IMAP server by itself. The IMAP server can run as a daemon, mailboxes are provided and messages can be delivered to them.

Ruby Help Scout (aka HelpScout) SDK, using Mailbox API v2.0

An object-oriented Ruby implementation of the Sender Policy Framework (SPF) e-mail sender authentication system, fully compliant with RFC 4408.

Cache delivery method for ActionMailer for testing emails with Selenium

Convenient use of inline_styles gem with Rails 3.1+ and Rails 4

Framework for developing applications in the Yahoo! Mail Development Platform.

SimplePostmark makes it easy to send mails via Postmark™ using Rails 3's ActionMailer.

Easily switch between email APIs

Rails Mountable Engine that sets up your Product Blog, share your posts on facebook, twitter and E-mail your users with your latest product news

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

Handling e-mail attachments with MIME type 'application/ms-tnef'

Send mail with handlebars like templates

A Ruby interface for the wonderful e-mail newsletter application Sendy.

Create emails addresses in Ruby then send and receive real emails and attachments. See https://www.mailslurp.com/ruby/ for full Ruby documentation. Get an API Key at https://app.mailslurp.com

Rumbster is a simple SMTP server that receives email sent from a SMTP client. Received emails are published to observers that have registered with Rumbster. There are currently two observers; FileMailObserver and MailMessageObserver.

Facteur allows you add a messaging system in your Rails 3. You can create many mailboxes for your users. They will be able to send and receive messages.

ActionMailer 3 makes it much easier to send emails, but there is one case it doesn't handle well.\ Specifically, it is difficult to send a message that has the proper MIME hiearchy for an email with both HTML and text alternatives\ that also includes attachments. This gem solves that need.

adds before_create, around_create callbacks to action mailer 3