no disposable mails?

i have a new yahoo account. Unfortunately the disposable mails category is missing under security.
The setting in the pic is german:

2021-04-07T12:22:56Z

i am not searching for another account or multiple account.

i'm searching for this:

https://thestep4u.blogspot.com/2018/10/create-disposable-email-address-in-your-yahoo-account.html

the disposable-email-address point is missing in my settings

Anonymous2021-04-07T12:08:32Z

https://help.yahoo.com/kb/switch-multiple-accounts-sln6885.html