Editing About comparing email service providers (section)

== Common Use Cases with Examples ==

1. **Transitioning Between ESPs**: A company decides to switch from ESP A to ESP B for better reporting. Initially, open rates drop due to lack of reputation on the new service. However, by using superior reporting tools available at ESP B, they learn to refine their email strategies, resulting in higher engagement over time.

2. **Testing Email Formats**: A small business sends emails featuring different subject lines through two ESPs. Instead of relying solely on open rates, they focus on click-through rates to determine which provider enables higher user engagement.