I take it the in-house 'Razor' mentioned in the article has nothing to do with Vipul's Razor (http://razor.sourceforge.net/ http://razor.sourceforge.net/). It'

I take it the in-house 'Razor' mentioned in the article has nothing to do with Vipul's Razor (http://razor.sourceforge.net/ http://razor.sourceforge.net/). It'd be great if mailgun did a blog post dedicated to what their Razor does and how they built it.