SecurityGateway for Exchange/SMTP is a comprehensive email security firewall developed by MDaemon Technologies (formerly Alt-N Technologies) designed to protect Microsoft Exchange and other SMTP email servers from cyber threats. It acts as a protective boundary at the edge of your network, monitoring both inbound and outbound traffic to block spam, viruses, phishing, and data leaks. Core Security & Filtering Layers
Multi-Layered Anti-Spam: Combines heuristics, reputation filtering, and specialized Sieve-based filtering rules to intercept spam before it reaches user inboxes.
Anti-Virus Scanning: Uses specialized engines like Ikarus and ClamAV alongside real-time Outbreak Protection to immediately block malicious attachments and zero-hour threats.
Anti-Phishing & Anti-Spoofing: Employs connection screening, location screening, and special display name protections to halt fraudulent corporate impersonation or brute-force attacks. Outbound Traffic & Compliance Tools Flexible Security with Optional Features – MDaemon
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