# Bitdefender GravityZone Extended Email Security vs SpamTitan for Office 365: side-by-side comparison (2026) [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Bitdefender](https://cybersectools.com/companies/bitdefender). [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. 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 | | Bitdefender GravityZone Extended Email Security | 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 | Bitdefender | SpamTitan (TitanHQ) | | Headquarters | – | – | ### Use cases and capabilities | | Bitdefender GravityZone Extended Email Security | SpamTitan for Office 365 | |---|---|---| | Microsoft 365 | Yes | Yes | | Ransomware Prevention | Yes | – | | Multi Tenancy | Yes | Yes | | Spam Prevention | – | Yes | | Zero Day | – | Yes | | Content Filtering | – | Yes | ### Core features **Bitdefender GravityZone Extended Email Security** 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 **Bitdefender GravityZone Extended Email Security** 2 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. - [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) 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. ## Bitdefender GravityZone Extended Email Security vs SpamTitan for Office 365 FAQ Common questions when comparing Bitdefender GravityZone Extended Email Security vs SpamTitan for Office 365 for email security platforms. ### What is the difference between Bitdefender GravityZone Extended Email Security and SpamTitan for Office 365? **Bitdefender GravityZone Extended Email Security**: Cloud-native email security platform with SEG and API-based protection, built by Bitdefender. **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 Bitdefender GravityZone Extended Email Security and SpamTitan for Office 365? **Bitdefender GravityZone Extended Email Security** is made by Bitdefender. **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 Bitdefender GravityZone Extended Email Security a good alternative to SpamTitan for Office 365? Often, yes. Bitdefender GravityZone Extended Email Security and SpamTitan for Office 365 are both Email Security Platforms products, and both cover Microsoft 365, Multi Tenancy. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Bitdefender GravityZone Extended Email Security vs SpamTitan](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-spamtitan) - [Bitdefender GravityZone Extended Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-eset-cloud-office-security) - [Bitdefender GravityZone Extended Email Security vs Mesh 365](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365) - [SpamTitan for Office 365 vs SpamTitan](https://cybersectools.com/compare/spamtitan-vs-spamtitan-for-office-365) - [SpamTitan for Office 365 vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-spamtitan-for-office-365) - [SpamTitan for Office 365 vs Mesh 365](https://cybersectools.com/compare/mesh-365-vs-spamtitan-for-office-365) ## Alternatives to each - [See all Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security) - [See all SpamTitan for Office 365 alternatives](https://cybersectools.com/alternatives/spamtitan-for-office-365) --- Source: https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-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/bitdefender-gravityzone-extended-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Bitdefender GravityZone Extended Email Security 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