We currently check URLs against various blacklists including Global Cyber Alliance Quad 9 and Google Safe Browsing.
We also analyse the URLs against the top 1 million domains of the internet, alerting the end-user if the URL resembles one of these but is not. Finally, OnINBOX also checks against URLs that the end-user or the organisation has trusted or blacklisted, including alerting if the URL resembles one of these but is not.

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