# Bitdefender GravityZone Security for Exchange vs Sendmarc DMARC Managed Services: side-by-side comparison (2026) [Bitdefender GravityZone Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Bitdefender](https://cybersectools.com/companies/bitdefender). [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) 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 Security for Exchange | Sendmarc DMARC Managed Services | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Bitdefender | Sendmarc | | Headquarters | – | – | ### Use cases and capabilities | | Bitdefender GravityZone Security for Exchange | Sendmarc DMARC Managed Services | |---|---|---| | Spam Prevention | Yes | – | | Zero Day | Yes | – | | Microsoft 365 | Yes | – | | DMARC | – | Yes | | SPF | – | Yes | | DKIM | – | Yes | | Multi Tenancy | – | Yes | | Spoofing | – | Yes | ### Core features **Bitdefender GravityZone Security for Exchange** 10 features listed. Sign in on the page to see them. **Sendmarc DMARC Managed Services** 10 features listed. Sign in on the page to see them. ### Integrations **Bitdefender GravityZone Security for Exchange** 3 integrations listed. Sign in on the page to see them. **Sendmarc DMARC Managed Services** 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 Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange) fits if you need to run it on your own servers. - [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) fits if you want a cloud product. ## Bitdefender GravityZone Security for Exchange vs Sendmarc DMARC Managed Services FAQ Common questions when comparing Bitdefender GravityZone Security for Exchange vs Sendmarc DMARC Managed Services for email security platforms. ### What is the difference between Bitdefender GravityZone Security for Exchange and Sendmarc DMARC Managed Services? **Bitdefender GravityZone Security for Exchange**: Email security for Microsoft Exchange servers with antispam and antimalware. Built by Bitdefender. **Sendmarc DMARC Managed Services**: MSP-focused multi-tenant DMARC management platform for email auth at scale. Built by Sendmarc. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Bitdefender GravityZone Security for Exchange and Sendmarc DMARC Managed Services? **Bitdefender GravityZone Security for Exchange** is made by Bitdefender. **Sendmarc DMARC Managed Services** 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 Security for Exchange a good alternative to Sendmarc DMARC Managed Services? Often, yes. Bitdefender GravityZone Security for Exchange and Sendmarc DMARC Managed Services are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Bitdefender GravityZone Security for Exchange vs SmarterTools SmarterMail](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-smartertools-smartermail) - [Bitdefender GravityZone Security for Exchange vs Ironscales DMARC Management](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-ironscales-dmarc-management) - [Bitdefender GravityZone Security for Exchange vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-mx-layer-outbound-email-filtering) - [Sendmarc DMARC Managed Services vs SmarterTools SmarterMail](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-smartertools-smartermail) - [Sendmarc DMARC Managed Services vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-sendmarc-dmarc-managed-services) - [Sendmarc DMARC Managed Services vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-sendmarc-dmarc-managed-services) ## Alternatives to each - [See all Bitdefender GravityZone Security for Exchange alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-security-for-exchange) - [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services) --- Source: https://cybersectools.com/compare/bitdefender-gravityzone-security-for-exchange-vs-sendmarc-dmarc-managed-services For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Bitdefender GravityZone Security for Exchange and Sendmarc DMARC Managed Services: 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