# Mimecast Advanced Email Security vs Red Sift OnDMARC: side-by-side comparison (2026) [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Mimecast](https://cybersectools.com/companies/mimecast). [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Red Sift](https://cybersectools.com/companies/red-sift). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) Best for: Companies wanting a full gateway with clear tracking It earns its place because you can run it as a gateway or through an API, and archiving and continuity sit in the same platform, which suits a company with a mixed mail setup. Social graphing and computer vision aim at impersonation, not only malware. Weigh whether you need the archive and continuity parts, since they change how much of your mail flow depends on one vendor. From [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). 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 | | Mimecast Advanced Email Security | Red Sift OnDMARC | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Security Platforms | Email Security Platforms | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Mimecast | Red Sift | | Headquarters | – | – | ### Use cases and capabilities | | Mimecast Advanced Email Security | Red Sift OnDMARC | |---|---|---| | Microsoft 365 | Yes | – | | DKIM | – | Yes | | DMARC | – | Yes | | SPF | – | Yes | | TLS | – | Yes | ### Core features **Mimecast Advanced Email Security** 10 features listed. Sign in on the page to see them. **Red Sift OnDMARC** 10 features listed. Sign in on the page to see them. ### Integrations **Mimecast Advanced Email Security** 31 integrations listed. Sign in on the page to see them. **Red Sift OnDMARC** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Mimecast Advanced Email Security](https://cybersectools.com/tools/mimecast-advanced-email-security) fits if you need both cloud and on-premises options. - [Red Sift OnDMARC](https://cybersectools.com/tools/red-sift-ondmarc) fits if you want a cloud product. ## Mimecast Advanced Email Security vs Red Sift OnDMARC FAQ Common questions when comparing Mimecast Advanced Email Security vs Red Sift OnDMARC for email security platforms. ### What is the difference between Mimecast Advanced Email Security and Red Sift OnDMARC? **Mimecast Advanced Email Security**: Email security platform protecting M365 & Google Workspace from threats. Built by Mimecast. **Red Sift OnDMARC**: Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols. Built by Red Sift. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Mimecast Advanced Email Security and Red Sift OnDMARC? **Mimecast Advanced Email Security** is made by Mimecast. **Red Sift OnDMARC** is made by Red Sift. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Mimecast Advanced Email Security a good alternative to Red Sift OnDMARC? Often, yes. Mimecast Advanced Email Security and Red Sift OnDMARC are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Mimecast Advanced Email Security vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-mimecast-advanced-email-security) - [Mimecast Advanced Email Security vs SmarterTools SmarterMail](https://cybersectools.com/compare/mimecast-advanced-email-security-vs-smartertools-smartermail) - [Mimecast Advanced Email Security vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mimecast-advanced-email-security) - [Red Sift OnDMARC vs INKY DMARC Monitoring](https://cybersectools.com/compare/inky-dmarc-monitoring-vs-red-sift-ondmarc) - [Red Sift OnDMARC vs SmarterTools SmarterMail](https://cybersectools.com/compare/red-sift-ondmarc-vs-smartertools-smartermail) - [Red Sift OnDMARC vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-red-sift-ondmarc) ## Alternatives to each - [See all Mimecast Advanced Email Security alternatives](https://cybersectools.com/alternatives/mimecast-advanced-email-security) - [See all Red Sift OnDMARC alternatives](https://cybersectools.com/alternatives/red-sift-ondmarc) --- Source: https://cybersectools.com/compare/mimecast-advanced-email-security-vs-red-sift-ondmarc For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/mimecast-advanced-email-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Mimecast Advanced Email Security and Red Sift OnDMARC: 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