B2B email lists are typically built from various sources, including website opt-ins, industry events, and professional networks like LinkedIn. The goal is to create a highly relevant and accurate list, ensuring your email campaigns are sent to individuals with real decision-making power. To be effective, your email campaigns must resonate with the audience's specific needs. By tailoring each message to the recipient's role, industry, and business challenges, you significantly increase the chances of your email being opened, read, and acted upon.