1. Gmail can still be used despite Google disabling Less Secure Apps. You would need to turn on 2FA and create an App Password for the device.
2. Here's the link to the latest firmware (Released 08/25/2020) that may fix your issue. https://www.support.xerox.com/en-ca/product/workcentre-3615/content/148331?language=en&platform=win7...
bye for now.
You can try scanning to App Galery,
Just updated firmware to 2016 latest version showing on site for model 3615, applied once SSL was turned off. Still unable to use office 365 email to scan to email due to security issues, nor gmail as secondary as the less secure apps is disabled now, Any firmrwares to support this coming out or work around? Please dont say scan to network folders :(