Originally Posted by Gizmo
Nope, the only viable option for anything of the sort is to post an announcement...

we got a new option since 7.2.

You could use the new "Force Users to Accept Rules on Next Visit?" option in control panel > registration settings.

This will force to read the board rules again and agree to them. I don't know what your message is, but you could force it upon them with this.

[Linked Image from siemons.org]