SmarterTools SmarterMail vs Spam Cube: Side-by-Side Comparison (2026)

SmarterTools SmarterMail: Email server with antispam, antivirus, and security features for Linux/Windows. built by smartertools. Core capabilities include SpamAssassin-based pattern matching for spam detection, Rspamd support including remote server integration, ClamAV antivirus with self-updating virus protection..

Spam Cube: Home network security hardware device blocking spam, viruses, and phishing. built by Spam Cube. Core capabilities include Built-in anti-spam protection, Anti-virus protection (via Security OnDemand subscription), Anti-phishing protection (via Security OnDemand subscription)..

Both serve the Email Security Platforms market but differ in approach, feature depth, and target audience.

SmarterTools SmarterMail differentiates with SpamAssassin-based pattern matching for spam detection, Rspamd support including remote server integration, ClamAV antivirus with self-updating virus protection. Spam Cube differentiates with Built-in anti-spam protection, Anti-virus protection (via Security OnDemand subscription), Anti-phishing protection (via Security OnDemand subscription).

SmarterTools SmarterMail is developed by smartertools. Spam Cube is developed by Spam Cube. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

SmarterTools SmarterMail and Spam Cube serve similar Email Security Platforms use cases: both are Email Security Platforms tools, both cover Spam Prevention. Review the feature comparison above to determine which fits your requirements.