For Yahoo email accounts:
- Login to your Yahoo Account https://login.yahoo.com/account/personalinfo
- Click on Account Security
- Make sure that two step verification is OFF
- Make sure that Allow apps that use less secure sign in is ON
- Login to your Paubox email account https://m.paubox.com/mail
- Click on Settings at the top
- Click on Preferences in the side bar
- Click on Sync Emails
- Fill in your yahoo email address and password
- Select Custom for the server and input imap.mail.yahoo.com
- Click Save
- If successful, you will return to your inbox. Email sync completion time varies depending on the amount of emails in your yahoo account.
The length of the migration process will vary depending on the size of the inbox you are copying from and your internet connection.