2M Email Records, Cleaning & Verification

Bulk Email Data Cleaning & Verification (2M Records) Description: I need a freelancer to clean and verify 2 million email addresses within 8–10 days. The work must include all possible verification methods, such as: Syntax & format check Domain/MX/DNS validation SMTP verification (sending test requests) Email send-based verification (to confirm deliverability) Duplicate & disposable email removal Spam trap & risky email detection Requirements: Proven experience with large-scale email list cleaning Ability to handle 2M records efficiently Deliver final cleaned data in CSV/Excel format Budget: Fixed price project Timeline: 8–10 days NOTE: If you can provide a trial/sample verification of a 5-10k email file then only bid on this job post.