But Maria had failed before. Last year, her RankerX campaigns got flagged as spam. Why? Because she ignored the "email accounts" part. She reused the same Gmail address for 200 profiles, skipped verification, and her links vanished within a week.
What (Web 2.0, Edu, Premium) you are targeting? What volume of links you plan to build per week?
Custom 100 Root Domain email packs are highly sought after because they bypass footprint tracking by using diverse, private domains.