# Bitdefender GravityZone Extended Email Security vs OPSWAT MetaDefender Email Security: 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). [OPSWAT MetaDefender Email Security](https://cybersectools.com/tools/opswat-metadefender-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [OPSWAT](https://cybersectools.com/companies/opswat). 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 | OPSWAT MetaDefender Email Security | |---|---|---| | 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 | OPSWAT | | Headquarters | – | – | ### Use cases and capabilities | | Bitdefender GravityZone Extended Email Security | OPSWAT MetaDefender Email Security | |---|---|---| | Microsoft 365 | Yes | Yes | | Ransomware Prevention | Yes | – | | Multi Tenancy | Yes | – | | Sandbox | – | Yes | | Zero Day | – | Yes | ### Core features **Bitdefender GravityZone Extended Email Security** 10 features listed. Sign in on the page to see them. **OPSWAT MetaDefender Email Security** 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. **OPSWAT MetaDefender Email Security** 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. - [Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) fits if you want a cloud product. - [OPSWAT MetaDefender Email Security](https://cybersectools.com/tools/opswat-metadefender-email-security) fits if you need both cloud and on-premises options. ## Bitdefender GravityZone Extended Email Security vs OPSWAT MetaDefender Email Security FAQ Common questions when comparing Bitdefender GravityZone Extended Email Security vs OPSWAT MetaDefender Email Security for email security platforms. ### What is the difference between Bitdefender GravityZone Extended Email Security and OPSWAT MetaDefender Email Security? **Bitdefender GravityZone Extended Email Security**: Cloud-native email security platform with SEG and API-based protection. Built by Bitdefender. **OPSWAT MetaDefender Email Security**: Email security platform protecting against phishing, malware, and exploits. Built by OPSWAT. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Bitdefender GravityZone Extended Email Security and OPSWAT MetaDefender Email Security? **Bitdefender GravityZone Extended Email Security** is made by Bitdefender. **OPSWAT MetaDefender Email Security** is made by OPSWAT. 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 OPSWAT MetaDefender Email Security? Often, yes. Bitdefender GravityZone Extended Email Security and OPSWAT MetaDefender Email Security are both Email Security Platforms products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [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) - [Bitdefender GravityZone Extended Email Security vs SpamTitan for Office 365](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-spamtitan-for-office-365) - [OPSWAT MetaDefender Email Security vs ESET Cloud Office Security](https://cybersectools.com/compare/eset-cloud-office-security-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs Mesh 365](https://cybersectools.com/compare/mesh-365-vs-opswat-metadefender-email-security) - [OPSWAT MetaDefender Email Security vs SpamTitan for Office 365](https://cybersectools.com/compare/opswat-metadefender-email-security-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 OPSWAT MetaDefender Email Security alternatives](https://cybersectools.com/alternatives/opswat-metadefender-email-security) --- Source: https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-opswat-metadefender-email-security 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/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 OPSWAT MetaDefender Email Security: 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