Before migrating the historical data from Yahoo, user's on your domain should generate password for IMAP access from LegacyFlo. The program used by legacyflo is called imapsync and the steps to generate a password for use in imapsync is as given below:
- Login to the Yahoo mail account,
- Click on the account name or the avatar and select Account Info
- Click on Account security
- Turn on Two-step verification
- Click on Manage app passwords and generate a specific password for imapsync,
- Choose Other app at the bottom and type imapsync as this option is not in the predefined apps.
- Use this password with imapsync.