What is the primary use of an email dossier?

The primary use of an email dossier is to check the validity of an email address. Email dossiers are often employed in cybersecurity and email management contexts to verify whether an email address is legitimate, ensuring that communications are sent to real and functioning accounts. This is crucial in preventing scenarios such as phishing attacks, where fraudulent emails are sent from impersonated addresses.

Verifying the validity of an email address enhances the overall security posture by reducing the risk of interacting with non-existent or malicious addresses. This aligns with incident handling practices, where understanding the legitimacy of communication channels is essential in responding to incidents and managing risks effectively.