Configuration management system

PoolParty makes it easy to use the power of cloud computing to power your application. PoolParty enables you to create web applications running on cloud computing services such as Amazon EC2 with built-in scaling, monitoring, load-balancing and much more.

What do they call that in this world?

Various advanced anti spam measures: implementing greylisting using Postgrey, simultanous connection throtteling, integrating razor, pyzor, spamassassin and amavisd, blacklist/whitelist support.