Design: Ensure the form aligns with your brand's visual identity. Fields: Include necessary fields such as name, email, and preferences. Avoid asking for too much information. Messaging: Clearly explain what users are consenting to, including the type and frequency of emails they will receive. Options: Offer options for users to select their preferences, such as the type of content they are interested in. Double Opt-In: Implement a double opt-in process to verify email addresses and confirm consent.