# Proofpoint Core Email Protection vs SpamTitan for Office 365: side-by-side comparison (2026) [Proofpoint Core Email Protection](https://cybersectools.com/tools/proofpoint-threat-protection) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Proofpoint](https://cybersectools.com/companies/proofpoint). [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Proofpoint Core Email Protection](https://cybersectools.com/tools/proofpoint-threat-protection) Best for: Large companies wanting deep email filtering It earns a place because it goes past filtering into DLP, encryption, archiving and fraud defense from one vendor, which suits a large company that wants to run email security as one program. Archiving and supervision for SEC and FINRA rules matter if you work in financial services. Weigh which parts you really need, because the whole platform is a bigger commitment than a filter. From [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## Side-by-side comparison | | Proofpoint Core Email Protection | SpamTitan for Office 365 | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Proofpoint | SpamTitan (TitanHQ) | | Headquarters | – | – | ### Use cases and capabilities | | Proofpoint Core Email Protection | SpamTitan for Office 365 | |---|---|---| | DMARC | Yes | – | | Spam Prevention | – | Yes | | Microsoft 365 | – | Yes | | Zero Day | – | Yes | | Content Filtering | – | Yes | | Multi Tenancy | – | Yes | ### Core features **Proofpoint Core Email Protection** 10 features listed. Sign in on the page to see them. **SpamTitan for Office 365** 10 features listed. Sign in on the page to see them. ### Integrations **Proofpoint Core Email Protection** 9 integrations listed. Sign in on the page to see them. **SpamTitan for Office 365** 3 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. - [Proofpoint Core Email Protection](https://cybersectools.com/tools/proofpoint-threat-protection) fits if you want a cloud product. - [SpamTitan for Office 365](https://cybersectools.com/tools/spamtitan-for-office-365) fits if you need both cloud and on-premises options. ## Proofpoint Core Email Protection vs SpamTitan for Office 365 FAQ Common questions when comparing Proofpoint Core Email Protection vs SpamTitan for Office 365 for email security platforms. ### What is the difference between Proofpoint Core Email Protection and SpamTitan for Office 365? **Proofpoint Core Email Protection**: Email security platform with AI-based threat detection and DLP capabilities. Built by Proofpoint. **SpamTitan for Office 365**: Email security layer for M365 with anti-phishing, sandboxing, and DLP. Built by SpamTitan (TitanHQ). The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Proofpoint Core Email Protection and SpamTitan for Office 365? **Proofpoint Core Email Protection** is made by Proofpoint. **SpamTitan for Office 365** 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 Proofpoint Core Email Protection a good alternative to SpamTitan for Office 365? Often, yes. Proofpoint Core Email Protection and SpamTitan for Office 365 are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Proofpoint Core Email Protection vs Vircom Email Security](https://cybersectools.com/compare/proofpoint-threat-protection-vs-vircom-email-security) - [Proofpoint Core Email Protection vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-proofpoint-threat-protection) - [Proofpoint Core Email Protection vs SpamTitan](https://cybersectools.com/compare/proofpoint-threat-protection-vs-spamtitan) - [SpamTitan for Office 365 vs Vircom Email Security](https://cybersectools.com/compare/spamtitan-for-office-365-vs-vircom-email-security) - [SpamTitan for Office 365 vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-spamtitan-for-office-365) - [SpamTitan for Office 365 vs SpamTitan](https://cybersectools.com/compare/spamtitan-vs-spamtitan-for-office-365) ## Alternatives to each - [See all Proofpoint Core Email Protection alternatives](https://cybersectools.com/alternatives/proofpoint-threat-protection) - [See all SpamTitan for Office 365 alternatives](https://cybersectools.com/alternatives/spamtitan-for-office-365) --- Source: https://cybersectools.com/compare/proofpoint-threat-protection-vs-spamtitan-for-office-365 For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/proofpoint-threat-protection.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Proofpoint Core Email Protection and SpamTitan for Office 365: 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