I'm grateful for the support received by Tuta
Payloads from BB reports for Open Redirect
make-payloads.sh - replace www.whitelisteddomain.tld with a specific whitelisted domain in your test case
./make-payloads.sh www.whitelisteddomain.pw
./make-payloads.sh www.google.com
./make-payloads.sh app.domain.com