Agreed. I think the point here is that what % of Mailgun users will be doing this additional processing? I suspect it's basically 0%. Why? It's not outlined in

Agreed. I think the point here is that what % of Mailgun users will be doing this additional processing? I suspect it's basically 0%. Why? It's not outlined in their specs, their sales copy implies they are handling it, and sensible headers are sometimes there which is extra misleading.