While trust is somewhat intangible, there are metrics that can serve as indicators:
1. Open Rates: Higher open rates often indicate that subscribers trust your emails enough to open them. 2. Click-Through Rates: This shows that recipients find your content engaging and trustworthy enough to take the next step. 3. Unsubscribe Rates: A high unsubscribe rate may indicate a loss of trust. 4. Spam Complaints: If your emails are frequently marked as spam, it’s a clear signal that trust needs to be rebuilt.