MailCatcher REST API SDK

Adds SendGrid X-SMTPAPI header support to Mail

Messenger: easy message sending for various protocols.

Easily switch between email APIs

a workflow scheduler enabling fine-grained dependency management

Ruby SDK for interacting with the Paubox Transactional Email HTTP API.

Pig Media Server

Checks puppet manifests for security related problems.

A unified interface for various messaging queues

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.

RUby Simple Exception Notification (a.k.a. rusen) as it names indicates is a simple exception notification for ruby.

Safely run your code in a loving error reporting embrace

Sensu sms plugins

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

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

A simple mailer for newsletters with basic campaign management, queue and unsubscribe support. To be used within Rails.

Send mail with handlebars like templates

Spider is yet another Ruby framework.

Spree Mail extends Spree by adding a mailing list subscriber model, sign up forms and an admin to send messages.

Supports importing data over various transports with key-value remapping & normalization