"Show warning prompt for any clicks on links to untrusted domains" how to test?

[alexshams]

Greetings,

Under App > Google Workspace -> Settings for Gmail -> Safety

under Links and external images

Show warning prompt for any click on links to untrusted domains setting

Gmail clients will show a warning prompt when users click on any link in the email to untrusted domains (does not work on IMAP/POP email clients). If you don't activate this feature, warnings will only be shown for clicks to untrusted domains from suspicious emails.

https://support.google.com/a/answer/9157861?hl=en&visit_id=638058723746319399-3568396358&rd=1

Was anyone able to enable and test this setting successfully? I cannot seem to find a way to test it and Google support does not offer any testing steps or logs available on back-end to see if this is working when enabled.

Thank you!

[cryptochrome]

You would need to know a link that is deemed "untrusted" by Google's Safe Browsing team (https://transparencyreport.google.com/safe-browsing/). Then send a test email to yourself containing that link.

Unfortunately, Google does not list them. You can only query domains you already know about. 

What I can tell you though, is that the feature works as advertised. We have seen it "in action" on numerous occasions. 

[alexshams]

Thank you for your response @cryptochrome . This is my main challenge is to find a couple of test samples that will trigger this warning and a prompt for a user. So far, everything we have tried did not trigger.  If this has triggered for your users, are you able to share couple of example URLs I can test with?

[cryptochrome]

I don't think I have access to these URLs anymore. What you can try is go to some public security feeds that list malicious links and URLs, like Phishtank for example. Pick some older entries and cross-check them with Google's Safe Browsing database (see link in my first reply). If Google also flagged the links you picked, they should trigger a warning in Gmail.