Mailboxer by Amgine Securus is an advanced persistent threats (APT) detection and anomaly event analysis tool focused on email-based threats. Mailboxer is designed to detect APT emails and analyze anomalous behavior within email systems. It addresses the importance of email and mailbox forensics in incident investigations and serves as a threat email auditing system. Mailboxer aims to overcome vulnerabilities in responding to malicious emails and pursues completeness in EML file analysis and response.