Kaseya 365 Advanced Threat Protection vs SmarterTools SmarterMail: side-by-side comparison (2026)

Kaseya 365 Advanced Threat Protection: ATP solution for SaaS & email with AI-driven detection & auto-response. Built by Kaseya.

SmarterTools SmarterMail: Email server with antispam, antivirus, and security features for Linux/Windows. Built by SmarterTools.

The table above shows where their features, integrations, deployment and company size fit differ.

Kaseya 365 Advanced Threat Protection is made by Kaseya. SmarterTools SmarterMail is made by SmarterTools. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Kaseya 365 Advanced Threat Protection and SmarterTools SmarterMail are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.