I try to answer. I have to read first the web page, it's not so easy. Sorry. Some details:I subscribed for many years to debian-user, debian-user-french, digikam-users, enlightenment-users. All works perfectly *now*, except for debian-user list since I posted this message some days ago.
https://lists.debian.org/debian-user/2015/10/msg00201.htmlI try to understand what happens. I wonder if debian-user list considers me as a spammer.
-- Maderios