As you guessed, most likely the problem was caused by myself using my gmail address (which is the one needed to subscribe to the email group) instead of my professional address, which
is the one registered in Sepal (but I prefer not to try, just in case).
Please note I was not upset for the issue (which in fact was caused by an error of mine), but worried about the lack of an answer. I did not know what to do for days.
I suggest a note to the user emphasizing that, in case no confirmation email is received, he/she should make sure that the Sepal-registered address is being used.
Many thanks for suggesting the CCDC-based routines. I will try them as well. As you can see in the other conversation, the issue with BFAST has been fixed.
Best,
Agus