john.doe@gmail.com jane.smith@yahoo.com contact@business.net user_aol@aol.com outlook.user@hotmail.com Use code with caution. The Separated Format (Comma Separated)

This guide explains how to properly structure, clean, and utilize text-based email lists while maintaining sender reputation and data privacy. 1. Why Use TXT Files for Email Lists?

Microsoft addresses can end in @hotmail.com , @outlook.com , @live.com , or @msn.com . These are all managed under the same Microsoft infrastructure but must retain their specific domain suffix to resolve correctly.