The license shall not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing programs from several different sources. The license shall not require a royalty or other fee for such sale.

The Open Source Definition

Although it has always been a pain. Back when I used Nextcloud, I tried Nextcloud Talk which always had less problems for me and was much easier to set up.

Any provider that provides access via IMAP/SMTP works fine with a lot of email clients. I personally use mailbox.org.

As clients you can use Thunderbird, Geary or Evolution on the desktop and FairEmail or K9 (which will become Thunderbird for Android) on Android.

https://github.com/FossifyOrg

Honestly, I don’t even think that it behaved like that for malicious purposes. It looked more like incompetence.

Network printers are blocked from Internet by my router. They have static IP addresses allocated (permanent DHCP leases) for convenience.

I used to have a HP printer that refused to connect to my wifi network if it was blocked from accessing the internet. So I had to unblock it every time I restarted my printer.