A reader magnet can help authors turn casual visitors into email subscribers. This guide explains how to prepare a reader magnet, upload it to BookFunnel, create a signup page, connect an email platform, test delivery, and use the offer as part of a professional author platform.

Your author newsletter needs SPF, DKIM, and DMARC to reach inboxes in 2025. This practical guide gives you a clean setup for Squarespace, Mailchimp, and custom domains, along with a simple pass checklist and a troubleshooting matrix.