See ActionMailbox::Base for how to specify routing.

Methods
R
Instance Public methods
route(inbound_email)

Source: show | on GitHub 

# File actionmailbox/lib/action_mailbox/routing.rb, line 17
def route(inbound_email)
  router.route(inbound_email)
end
routing(routes)

Source: show | on GitHub 

# File actionmailbox/lib/action_mailbox/routing.rb, line 13
def routing(routes)
  router.add_routes(routes)
end