We have removed GMail linking and access due to tighter Google API restrictions. This change does not affect your ability to login with your Google Account, and does not impact new or existing Google Drive links.
To clarify, we offer the ability to link your Google Drive storage and, previously, you could also link your GMail as a separate storage link. The GMail storage link was a read-only link and would allow you to browse your attachment files in your GMail e-mails.
It is possible GMail linking will make a return, but we don’t have a timeline for when or if this will happen.
We sincerely apologize for any inconvenience this causes our users.