One API Call to Audit Any Domain's Email Security

You know the drill. A customer complains their transactional emails land in spam. Or a B2B trial signup uses a throwaway address. Or someone asks "do we have DMARC set up correctly?" and you open ten browser tabs to find out. I built MailSec to replace that entire workflow with one API call. The problem Email infrastructure is deceptively complex: SPF has a hard 10-lookup limit that silently breaks when you add one too many include: DMARC with p=none does literally nothing — but most teams ship