Thank you so much for the details , but do you ahve any idea about that "Console" tab on the Electrum Interface ? is it made by the owners of the servers ? If it's the case then how come Quickseller (as you can see his above post) changed the server but the console message didn't change .
Yes, the console msg is created by the owner of the Electrum-server.
If you look in the Electrum.conf file (electrum.conf.sample of the Github directory), you can create your own "/etc/electrum.banner" file that will display whatever you want.
EDIT: There is a default console msg for Electrum-server. If you don't create the electrum.banner file, it will display the standard msg.