Building a high-quality email list is crucial for the success of email marketing campaigns. Here are some strategies: - Opt-In Forms: Place opt-in forms on your website, blog, and social media pages to capture email addresses. - Lead Magnets: Offer valuable content like eBooks, whitepapers, or discounts in exchange for email addresses. - Webinars and Events: Collect email addresses during webinars, online events, or workshops. - Referral Programs: Encourage existing subscribers to refer friends and family by offering incentives.