And where exactly can I found this in the settings?

Its not possible to delete the email if the account is already confirmed.

I do not have a static ip.
In my country its normal to have a dynamic ip every time I go online again.

So I get this annoying  message every time.

Everytime I want to login to my blockchain Account I get the message "Authorization required . Please check your e-mail ."
Currently I have no problems with this.

But Iam afraid that I cannot login to my blockchain account again if my free-email provider gets bankrupt or delete my email.
Often some email-provider delete email accounts if users are not active for 30 days.

So how can i disable that security feature?