So maybe the problem is another. Here is the full story: I was receiving notifications normally, even after the modifications you mention. I don't have any filter for spam :/. On friday afternoon/evening, I stop receive notifications for a while then I thought it was a problem with the notifications system because of those modifications; it was a problem of my ISP mail server but I didn't know yet. I unsubscribed and subscribe again. Since then, I don't receive notifications anymore.
Then ignore my last message, we post at the same time. Thank you.
Thanks for the efficiency!