ruby-messagebus-api 3.0.7+git.20130130.97b34ece.REALLY.1.0.3-2 (i386 binary) in ubuntu disco

 Message Bus provides email at scale, done right. Simple. Message Bus provides
 a REST API and several language-specific wrappers (SDKs) that provides full
 access to all platform functionality.
 .
 messagebus_ruby_api allows you to use the Message Bus API from ruby programs.