Send bulk email campaigns with Gmail/SMTP and Postgres reputation-safe timing

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Overview This workflow automates bulk email campaigns with built-in validation, deliverability protection, and smart send-time optimization. It processes CSV leads, validates emails, enriches data, and schedules campaigns intelligently. Emails are sent using controlled inbox rotation, while engagement tracking and analytics continuously improve performance. How It Works Campaign Input Receives campaign data and CSV leads via webhook. Lead Processing Extracts CSV data, splits leads, and