No docker. Plain executable.

You need this for your family, and not hundreds of people? No crazy, outlandish usage requirements?

Then basically any PC will do.

I do regularly have issues with radicale, for years now. One is that it does not work properly after boot. I have to SSH in, kill the radicale process, and restart it.

What the heck are you self-hosting that anything beyond 64G is even taken into account?

I wonder when I can set default options for importing images. I’m using Open/LibreOffice since nearly the beginnings as StarOffice (I think I still have the CD somewhere), and one thing really irks me: Whenever I import an image (which I do rather regularly), it always imports the image as “Anchor->To Character”. For me, this is the wrong default, I always need “Anchor->As Character”. For thousands of images, I have to set this manually.

I’d even say, the usefullness is fully gone.

Last time it was off was during the summer holidays.

My home server runs on an old desktop PC, bought at a discounter. But as we have bought several identical ones, we have both parts to upgrade them (RAM!) as well as organ donors for everything else.

Well, the source code is available. Fix it if you need it that bad.

Short: Yes, of course. Long: Well, this is really a long answer, depending on your needs…

I know. I was there, before Sanford Wallace invented the email spam and forced any sane SMTP server into password protections and whitelists.

“Low volume” vs. “A few hundred mails per month”

OK, what of the above?

You should put fixed IP addresses outside the DHCP allocation range. While a DHCP server might be smart enough to exclude a fixed address automatically, this is not a must. So better safe than sorry.