# MDaemon Technologies SecurityGateway vs Sendmarc DMARC Managed Services: side-by-side comparison (2026) [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MDaemon Technologies](https://cybersectools.com/companies/mdaemon-technologies-ltd). [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 | | MDaemon Technologies SecurityGateway | Sendmarc DMARC Managed Services | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | MDaemon Technologies | Sendmarc | | Headquarters | – | – | ### Use cases and capabilities | | MDaemon Technologies SecurityGateway | Sendmarc DMARC Managed Services | |---|---|---| | Spam Prevention | Yes | – | | DMARC | – | Yes | | SPF | – | Yes | | DKIM | – | Yes | | Multi Tenancy | – | Yes | | Spoofing | – | Yes | ### Core features **MDaemon Technologies SecurityGateway** 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 **MDaemon Technologies SecurityGateway** 2 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. - [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway) fits if you need both cloud and on-premises options and you are a startup. - [Sendmarc DMARC Managed Services](https://cybersectools.com/tools/sendmarc-dmarc-managed-services) fits if you want a cloud product. ## MDaemon Technologies SecurityGateway vs Sendmarc DMARC Managed Services FAQ Common questions when comparing MDaemon Technologies SecurityGateway vs Sendmarc DMARC Managed Services for email security platforms. ### What is the difference between MDaemon Technologies SecurityGateway and Sendmarc DMARC Managed Services? **MDaemon Technologies SecurityGateway**: Email security gateway protecting against spam, phishing, viruses & data leaks. Built by MDaemon Technologies. **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 MDaemon Technologies SecurityGateway and Sendmarc DMARC Managed Services? **MDaemon Technologies SecurityGateway** is made by MDaemon Technologies. **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 MDaemon Technologies SecurityGateway a good alternative to Sendmarc DMARC Managed Services? Often, yes. MDaemon Technologies SecurityGateway 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 - [MDaemon Technologies SecurityGateway vs Ironscales DMARC Management](https://cybersectools.com/compare/ironscales-dmarc-management-vs-mdaemon-technologies-securitygateway) - [MDaemon Technologies SecurityGateway vs SmarterTools SmarterMail](https://cybersectools.com/compare/mdaemon-technologies-securitygateway-vs-smartertools-smartermail) - [MDaemon Technologies SecurityGateway vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/mdaemon-technologies-securitygateway-vs-sendmarc-dmarc-management-platform) - [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 SmarterTools SmarterMail](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-smartertools-smartermail) - [Sendmarc DMARC Managed Services vs Sendmarc DMARC Management Platform](https://cybersectools.com/compare/sendmarc-dmarc-managed-services-vs-sendmarc-dmarc-management-platform) ## Alternatives to each - [See all MDaemon Technologies SecurityGateway alternatives](https://cybersectools.com/alternatives/mdaemon-technologies-securitygateway) - [See all Sendmarc DMARC Managed Services alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-managed-services) --- Source: https://cybersectools.com/compare/mdaemon-technologies-securitygateway-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/mdaemon-technologies-securitygateway.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on MDaemon Technologies SecurityGateway 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