There's a merged pull request on the void-packages repository

alot: patch mailcap rendering no content-type
https://github.com/void-linux/void-packages/pull/25997

Description:
Add a patch to fix a rendering problem with mails without _Content-Type_
header.

Patch is based on a bug already fixed in master branch of the `alot` project:

https://github.com/pazz/alot/pull/1513

I find it important because without it, there is no way to see any mail
sent via `git send-email` on projects with email-driven git workflows.
Apparently, `git send-email` doesn't add the aforementioned header.