GreatHorn Mailbox Intelligence vs SpamTitan PhishTitan: Side-by-Side Comparison (2026)

GreatHorn Mailbox Intelligence: Email security tool empowering users to identify & report phishing threats. built by GreatHorn. Core capabilities include Visual sender and domain trustworthiness indicators, In-email banner notifications for suspicious messages, User-initiated phishing reporting capabilities..

SpamTitan PhishTitan: ML-based phishing protection and remediation add-on for M365. built by SpamTitan (TitanHQ). Core capabilities include Machine learning-based phishing detection, Native Microsoft 365 integration via Microsoft API, Internal and external email scanning..

Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.

GreatHorn Mailbox Intelligence differentiates with Visual sender and domain trustworthiness indicators, In-email banner notifications for suspicious messages, User-initiated phishing reporting capabilities. SpamTitan PhishTitan differentiates with Machine learning-based phishing detection, Native Microsoft 365 integration via Microsoft API, Internal and external email scanning.

GreatHorn Mailbox Intelligence is developed by GreatHorn. SpamTitan PhishTitan is developed by SpamTitan (TitanHQ). Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

GreatHorn Mailbox Intelligence integrates with Microsoft 365, Google Workspace. SpamTitan PhishTitan integrates with Microsoft 365, Microsoft Outlook. Check integration compatibility with your existing security stack before deciding.

GreatHorn Mailbox Intelligence and SpamTitan PhishTitan serve similar Anti-Phishing use cases: both are Anti-Phishing tools, both cover Microsoft 365. Review the feature comparison above to determine which fits your requirements.