Remove Inactive Subscribers: Regularly prune subscribers who haven't engaged in a while.
Validate Email Addresses: Use email validation tools to ensure addresses are correct and active.
Monitor Bounce Rates: High bounce phone number database rates can affect your sender reputation.
Services like NeverBounce and ZeroBounce offer email validation solutions.
Respect Subscriber Preferences <a name="preferences"></a>
Allow subscribers to manage their preferences:
Subscription Options: Let subscribers choose the type and frequency of emails they receive.
Easy Unsubscribe: Provide a straightforward way for subscribers to opt out if they wish.
Respecting preferences builds trust and reduces unsubscribe rates.
Tools and Platforms for Building and Managing Email Lists <a name="tools"></a>
Several tools can aid in building and managing your email list.