[AUTHORIZATIONFAILED] Account is blocked. Log in to your account via a web browser to verify your identity.
Resolution:
This error occurs when you’re attempting to migrate to or from an IMAP account, that has Multi-Factor Authentication enabled, with MigrationWIz for the first time
These migrations must use the user credentials in the line item. However, the password must be the user account App Password generated from the user account.
Please refer to the host (Google, Microsoft, Yahoo, etc) of the IMAP account for instructions on how to generate an App Password for use.