[csears]

True, but this is still very much worth paying attention to, even if it's not NSA-proof today.

If we are ever going to get to a future where self-hosted solutions gain widespread adoption, it will be enabled by projects like Kolab making incremental progress towards a Google Apps-like experience.

The only way privacy-protecting technologies will ever become mainstream is to make them more usable, more beautiful, and more trendy than the PRISM-friendly alternatives.