Highlight real customer reviews: Including customer reviews in your emails can help build trust with potential customers.
Quantify your popularity: Use numbers to show how many people have used your product or service.
Feature user-generated content: User-generated content, such as photos or videos of customers using your product, can be a powerful form of social proof.
Highlight celebrity and expert endorsements: If your product or service has been endorsed by a celebrity or expert in your industry, including this information in your emails.
Use awards: Displaying awards your business has won in your emails can help demonstrate that you are an established business that can deliver on its promises.