| Provider | Country | Notes |
|---|---|---|
| Anexia | 🇦🇹 Österreich | Microsoft Exchange |
| Collective Tools | 🇸🇪 Sverige | Managed Nextcloud. User-owned collective. Renewable energy datacenters. |
| IceWarp | 🇨🇿 Czechia | Self-hostable, also available as SaaS in Hetzner DE |
| OVHcloud | 🇫🇷 France | Microsoft Exchange |
| Posteo | 🇩🇪 Deutschland | Powered by renewable energy (hydro, wind) |
| Mailbox.org | 🇩🇪 Deutschland | |
| Tutanota | 🇩🇪 Deutschland | Encrypted email. Creator of Tutanota |
Options within European Free Trade Association (EFTA)
| Provider | Country | Notes |
|---|---|---|
| CTemplar | 🇮🇸 Iceland | Encrypted email. Powered by renewable energy (geothermal, hydro) |
| Runbox | 🇳🇴 Norge | Powered by renewable energy (hydro) |
| Infomaniak | 🇨🇭 Switzerland | Developed and hosted in Switzerland. Free offer available. |
| Proton | 🇨🇭 Switzerland | Encrypted email, vpn, password manager, calendar |
TODO: transactional email API providers (alternative to SendGrid)