CSV template
Prepare a CSV for email validation.
Use a clean structure before uploading prospects for validation, cleanup, and export.
Validate a CSVRecommended columns
| Column | Purpose |
|---|---|
| Required email address to validate | |
| first_name | Optional contact first name |
| last_name | Optional contact last name |
| company | Optional company name |
| source | Optional lead source or list origin |
| notes | Optional context before validation |
Remove duplicates
Deduplicate before validation so results are easier to review.
Keep source data
Source fields help you identify which list providers create the most risk.
Export clean lists
After validation, export safer emails and segment risky contacts separately.