How do we recommend fixing those issues:
1. Upload your CSV file with contact at app.mailranky.com
2. Download the file and open it with Excel or Google Sheets
3. Apply filters (check the picture below to see how)
4. Review and analyse Corrected, Corrected_Validated and Skipped statuses.
5. If you can't decide whether Names with Skipped status are valid or not - you may simply delete them from contact list)