Either you had the Advanced Protection enabled, or your G Suite admin must have turned on the link munging: https://hackaday.com/2020/10/21/google-meddling-wit

Either you had the Advanced Protection enabled, or your G Suite admin must have turned on the link munging: https://hackaday.com/2020/10/21/google-meddling-with-urls-in-emails-causing-security-concerns/ https://hackaday.com/2020/10/21/google-meddling-with-urls-in... FWIW, Microsoft have had a similar feature long before Google: https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/atp-safe-links?view=o365-worldwide https://docs.microsoft.com/en-us/microsoft-365/security/offi...