2,100 Swiss municipalities showing which provider handles their official email

Posts like these always give me a moment of pause to reflect just how expansive the global internet is.

I wonder how that one county ended up on infomaniak https://www.infomaniak.com/

Via https://news.ycombinator.com/item?id=47827716

TBQH it's crazy to have 2,100 distinct choices. Why isn't there a national-level host that frees municipalities from having to think about it?