Altospam Mailsafe vs ATG Managed Email Security: Side-by-Side Comparison (2026)

Altospam Mailsafe: Cloud-based anti-spam solution filtering inbound email threats. built by Altospam. Core capabilities include AI-powered behavioral analysis of emails, Heuristic analysis using regular expressions, Real-time blackhole list (RBL/DNSBL) checking..

ATG Managed Email Security: Managed cloud email security service with anti-spam, anti-phishing, and DLP. built by Advanced Technology Group. Core capabilities include Antivirus Protection (100% SLA), Anti-Spam filtering — inbound and outbound (99%+ SLA), Anti-Phishing..

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

Altospam Mailsafe differentiates with AI-powered behavioral analysis of emails, Heuristic analysis using regular expressions, Real-time blackhole list (RBL/DNSBL) checking. ATG Managed Email Security differentiates with Antivirus Protection (100% SLA), Anti-Spam filtering — inbound and outbound (99%+ SLA), Anti-Phishing.

Altospam Mailsafe is developed by Altospam. ATG Managed Email Security is developed by Advanced Technology Group. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Altospam Mailsafe and ATG Managed Email Security 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.