>As for the Exchange Server. I would need to buy one, right? And learn how to use it, right?
>Sounds complicated (to me)
No, you don't need to set up your own Exchange server. Microsoft is actively discouraging that these days. You would subscribe to an Exchange-powered cloud server from Microsoft or others. For business this would likely be Exchange Online, part of Microsoft 365 (M365).
I don't deal much with retail/consumer mail but I understand you can get a free account on outlook.com :
https://outlook.live.com/owa/ . I believe this also uses an Exchange back end.
The desktop Outlook app can connect to these accounts:
https://support.microsoft.com/en-us/office/add-your-outlook-com-account-in-outlook-for-windows-642c1902-bdd9-4dc3-abe7-76d60b148b23
Regards. Al
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