1) Root Cause Diagnosis

Key Principle: Use email how it was originally intended. Personal communication between friends, not mass sales blasts.

🎯 Content issues

📊 Domain reputation

👥 List quality

<aside> 💡

Critical insight

You do not hit the Promotions tab by having promotional language.

You hit it by having a high percentage of promotional language.

Fix: Add neutral content to dilute the promotional percentage.

</aside>