Binary package “ruby-actionmailbox” in ubuntu kinetic

receive and process incoming emails (part of Rails)

 Action Mailbox routes incoming emails to controller-like mailboxes for
 processing in Rails. It ships with ingresses for Mailgun, Mandrill,
 Postmark, and SendGrid. It provides the way for handling inbound mails
 directly via the built-in Exim, Postfix, and Qmail ingresses.