S
Welcome to the forum, you might want to have a look at the following FAQ which explain where everything is
Welcome to Benefits and Work In case you are not aware, your real name appears to be showing in the forum, if you want to change this then follow the instructions in the following FAQ
My full name is showing, how can I stop it?
My best guess is that they want to send you something, but I could not tell you what.
If you want to withdraw permission then I would recommend that you write to them saying this and that from a specific date all emails from the DWP will be deleted without being read.
Gordon