# Bitdefender GravityZone Extended Email Security vs Sendmarc DMARC Management Platform: 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). [Sendmarc DMARC Management Platform](https://cybersectools.com/tools/sendmarc-dmarc-management-platform) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Sendmarc](https://cybersectools.com/companies/sendmarc). 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 | Sendmarc DMARC Management Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Bitdefender | Sendmarc | | Headquarters | – | – | ### Use cases and capabilities | | Bitdefender GravityZone Extended Email Security | Sendmarc DMARC Management Platform | |---|---|---| | Microsoft 365 | Yes | – | | Ransomware Prevention | Yes | – | | Multi Tenancy | Yes | Yes | | DMARC | – | Yes | | SPF | – | Yes | | DKIM | – | Yes | | Fraud Detection | – | Yes | ### Core features **Bitdefender GravityZone Extended Email Security** 10 features listed. Sign in on the page to see them. **Sendmarc DMARC Management Platform** 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. **Sendmarc DMARC Management Platform** 3 integrations listed. Sign in on the page to see them. ## Bitdefender GravityZone Extended Email Security vs Sendmarc DMARC Management Platform FAQ Common questions when comparing Bitdefender GravityZone Extended Email Security vs Sendmarc DMARC Management Platform for email security platforms. ### What is the difference between Bitdefender GravityZone Extended Email Security and Sendmarc DMARC Management Platform? **Bitdefender GravityZone Extended Email Security**: Cloud-native email security platform with SEG and API-based protection. Built by Bitdefender. **Sendmarc DMARC Management Platform**: DMARC management platform for email auth enforcement across domains. Built by Sendmarc. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Bitdefender GravityZone Extended Email Security and Sendmarc DMARC Management Platform? **Bitdefender GravityZone Extended Email Security** is made by Bitdefender. **Sendmarc DMARC Management Platform** is made by Sendmarc. 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 Sendmarc DMARC Management Platform? Often, yes. Bitdefender GravityZone Extended Email Security and Sendmarc DMARC Management Platform are both Email Security Platforms products, and both cover Multi Tenancy. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Bitdefender GravityZone Extended Email Security vs Sendmarc DMARC Managed Services](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-sendmarc-dmarc-managed-services) - [Bitdefender GravityZone Extended Email Security vs Ironscales DMARC Management](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-ironscales-dmarc-management) - [Bitdefender GravityZone Extended Email Security vs Mesh 365](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365) - [Sendmarc DMARC Management Platform vs Sendmarc DMARC Managed Services](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-sendmarc-dmarc-management-platform) - [Sendmarc DMARC Management Platform vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-sendmarc-dmarc-management-platform) - [Sendmarc DMARC Management Platform vs Mesh 365](https://cybersectools.com/compare/mesh-365-vs-sendmarc-dmarc-management-platform) ## Alternatives to each - [See all Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security) - [See all Sendmarc DMARC Management Platform alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-management-platform) --- Source: https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-sendmarc-dmarc-management-platform 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 Sendmarc DMARC Management Platform: 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