There is a new pull request by rheoli against master on the mblaze repository

https://github.com/rheoli/mblaze master
https://github.com/leahneukirchen/mblaze/pull/235

Use tolower instead of lc
Use tolower instead of lc as there are some M365 header with _ in the name of headers (example msip_label).

A patch file from https://github.com/leahneukirchen/mblaze/pull/235.patch is attached