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DLP (Data Loss Prevention) technology protects enterprise information security by monitoring, detecting, and blocking sensitive data flow, meeting compliance requirements, and preventing both internal and external data leakage risks.

eDiscovery is a critical process in legal proceedings for handling electronic data, covering the entire process from identification, preservation, collection, review to submission, involving the intersection of law, technology, and data management.

Email migration is the process of transferring emails, contacts, and settings from one email account to another, commonly done when changing email providers, during enterprise migrations, or when consolidating personal data.

Email recall functionality allows users to retract sent emails, suitable for scenarios such as accidental sending or handling sensitive information, but is subject to technical, platform, and legal limitations, with future development focusing on standardization and intelligence.

Email audit logs are log files that record email system operational behaviors, used for security monitoring, compliance auditing, incident investigation, and system maintenance, covering user operations, email metadata, geographical locations, and other information, serving as an important tool for ensuring information security and compliance management.

Blacklists (RBL/DNSBL) are technologies used in email systems to identify and block spam sources, providing real-time lists of flagged IPs through DNS, helping to filter spam and ensure email security.

Distribution groups are a basic function in email systems, used to send emails to multiple users at once, improving internal communication efficiency in enterprises.

Auto-forwarding is an email system function that automatically sends received emails to designated mailboxes, facilitating information sharing and management, but requiring safeguards against security risks such as data leakage.

BIMI enhances email credibility by displaying brand logos, reduces phishing fraud, combines with SPF, DKIM, DMARC and other technologies to verify sender identity, increases user trust and suppresses forged emails.

Cloud Email Service (SaaS) is an email solution delivered over the internet, requiring no local deployment, offering advantages in efficiency, flexibility, and security, widely used in enterprise communications, marketing, and customer support.