you could use something like proton mail free for hosting if you want something free ? Sure they have it for 500 mb , but there was a deal to get 5gb instead b

you could use something like proton mail free for hosting if you want something free ? Sure they have it for 500 mb , but there was a deal to get 5gb instead but I think (Okay so I don't have 5gb) but still 500mb is decent enough , like some others said , you could also export some emails locally and use syncthing but I don't know for me 500mb is decent