1. Regular Audits: Conduct regular audits of your email campaigns to check for broken links and update them accordingly. 2. URL Redirection: Use 301 redirects to point old URLs to new locations, ensuring that links remain functional. 3. Link Shorteners: Utilize link shorteners that offer the capability to update the target URL without changing the link itself. 4. Consistent Updates: Keep your email templates and content updated to reflect the most current information and links.