- Higher Engagement: Subscribers who opt-in are more likely to engage with your emails, leading to better open and click-through rates. - Improved Deliverability: With a list of interested users, your email delivery rates improve, reducing the risk of ending up in the spam folder. - Enhanced Customer Trust: By allowing users to control their subscription, you build trust and demonstrate respect for their preferences. - Compliance with Regulations: Opt-in mechanisms help ensure adherence to data protection laws, reducing legal risks.