Want to set up a mail server integrated with Nextcloud? A fantastic tutorial was written by one of our community members: the ISP Mail Tutorial (Caramel Edition)! Read, use, bookmark... https://123qwe.com/
@nextcloud Be sure it's something you *really* want to do, because hosting your own mail server isn't for the weak of heart. It takes a lot of effort to maintain, opens you up to numerous vulnerabilities, almost guarantees all your mail will be regarded as spam by Google / Microsoft, etc.