Knife rackspace webmail

A interesting combination!

Knife Rackspace Webmail is not a well-known or widely used term, but I can try to break it down:

Given this information, I'm going to take a wild guess:

Could "Knife Rackspace Webmail" be a humorous or creative name for a fictional email service or a project that combines the concepts of cloud computing, email, and... knives? Perhaps it's a tongue-in-cheek reference to the idea of "cutting through" email clutter or "sharpening" one's online communication skills?

If you have any more context or information about what "Knife Rackspace Webmail" refers to, I'd be happy to help you further!