Enhancing core search for emails (=> see MSG Handler plugin)

Use case or problem

I want to have stored all text relevant content in obsidian. As Emails do often have (surely not all of them) relevant content, I’m looking for a solution to integrate them into obsidian.

A nice plugin, which is made for reading outlook messages (.msg) is “MSG Handler”. It’s more or less a search engine especially for .msg-files.

Proposed solution

When I search a specific content, and I’m not sure, if the content is within a normal .md-file or in an outlook-email .msg-file, I have to use both search engines, the core search and the MSG Handler.

=> Would it be possible to integrate this search engine in the core search?