# GreatHorn Mailbox Intelligence vs SpamTitan PhishTitan: side-by-side comparison (2026) [GreatHorn Mailbox Intelligence](https://cybersectools.com/tools/greathorn-mailbox-intelligence) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [GreatHorn](https://cybersectools.com/companies/greathorn). [SpamTitan PhishTitan](https://cybersectools.com/tools/spamtitan-phishtitan) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | GreatHorn Mailbox Intelligence | SpamTitan PhishTitan | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Anti-Phishing | Anti-Phishing | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | GreatHorn | SpamTitan (TitanHQ) | | Headquarters | – | – | ### Use cases and capabilities | | GreatHorn Mailbox Intelligence | SpamTitan PhishTitan | |---|---|---| | Microsoft 365 | Yes | Yes | | Microsoft | – | Yes | ### Core features **GreatHorn Mailbox Intelligence** 10 features listed. Sign in on the page to see them. **SpamTitan PhishTitan** 6 features listed. Sign in on the page to see them. ### Integrations **GreatHorn Mailbox Intelligence** 2 integrations listed. Sign in on the page to see them. **SpamTitan PhishTitan** 2 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [GreatHorn Mailbox Intelligence](https://cybersectools.com/tools/greathorn-mailbox-intelligence) fits if you are a startup. ## GreatHorn Mailbox Intelligence vs SpamTitan PhishTitan FAQ Common questions when comparing GreatHorn Mailbox Intelligence vs SpamTitan PhishTitan for anti-phishing. ### What is the difference between GreatHorn Mailbox Intelligence and SpamTitan PhishTitan? **GreatHorn Mailbox Intelligence**: Email security tool empowering users to identify & report phishing threats. Built by GreatHorn. **SpamTitan PhishTitan**: ML-based phishing protection and remediation add-on for M365. Built by SpamTitan (TitanHQ). The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes GreatHorn Mailbox Intelligence and SpamTitan PhishTitan? **GreatHorn Mailbox Intelligence** is made by GreatHorn. **SpamTitan PhishTitan** is made by SpamTitan (TitanHQ). The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is GreatHorn Mailbox Intelligence a good alternative to SpamTitan PhishTitan? Often, yes. GreatHorn Mailbox Intelligence and SpamTitan PhishTitan are both Anti-Phishing products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [GreatHorn Mailbox Intelligence vs Egress Defend](https://cybersectools.com/compare/egress-defend-vs-greathorn-mailbox-intelligence) - [GreatHorn Mailbox Intelligence vs PhishingBox KillPhish](https://cybersectools.com/compare/greathorn-mailbox-intelligence-vs-phishingbox-killphish) - [GreatHorn Mailbox Intelligence vs Detect-Phish](https://cybersectools.com/compare/detect-phish-vs-greathorn-mailbox-intelligence) - [SpamTitan PhishTitan vs Egress Defend](https://cybersectools.com/compare/egress-defend-vs-spamtitan-phishtitan) - [SpamTitan PhishTitan vs PhishingBox KillPhish](https://cybersectools.com/compare/phishingbox-killphish-vs-spamtitan-phishtitan) - [SpamTitan PhishTitan vs Detect-Phish](https://cybersectools.com/compare/detect-phish-vs-spamtitan-phishtitan) ## Alternatives to each - [See all GreatHorn Mailbox Intelligence alternatives](https://cybersectools.com/alternatives/greathorn-mailbox-intelligence) - [See all SpamTitan PhishTitan alternatives](https://cybersectools.com/alternatives/spamtitan-phishtitan) --- Source: https://cybersectools.com/compare/greathorn-mailbox-intelligence-vs-spamtitan-phishtitan For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/greathorn-mailbox-intelligence.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on GreatHorn Mailbox Intelligence and SpamTitan PhishTitan: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md