Hi and thanks for the tip!

That RSS ist no usable solution, because it is … let’s say »passive« while an e-mail is »active«:

My e-mail client checks new mail periodically, so I got informed about your posting! :)

Nobody looks up the RSS every 10 minutes.

Nobody opens his apartment door every 10 minutes for checking if someone is there. Why? It’s simple: There’s a bell at the door.

:) G. M.