1. Higher Engagement: Subscribers who opt in are usually more interested in your content, leading to higher open and click-through rates. 2. Better Deliverability: Since subscribers have given explicit permission, thereâs a lower likelihood of emails being marked as spam, improving deliverability. 3. Targeted Marketing: With more information about your subscribers, you can segment your email list and send targeted, personalized content. 4. Trust and Credibility: A transparent and ethical subscribe model builds trust and credibility with your audience.