At the end of last year, Google introduced changes in the rules of access to user data. So, after the release of version 1.16.0 I started to apply for verification of the application in Google in order to ensure that users of Keepmark do not see a message about a dangerous application when signing in. After sending the request, I received an answer from them:
(…) To proceed with the verification process, you’ll need to migrate off of SMTP protocol to use the Gmail API. We recommend that you use the https://www.googleapis.com/auth/gmail.send scope, which is sufficient to implement your project’s functionality.
To proceed with the verification process, you’ll need to migrate off of IMAP protocol to use the Gmail API. We recommend that you use the https://www.googleapis.com/auth/gmail.modify scope, which is sufficient to implement your project’s functionality. (…)
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