# Mimecast Advanced Email Security vs MX Layer Outbound Email Filtering: 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). [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [MX Layer](https://cybersectools.com/companies/mx-layer). 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 | MX Layer Outbound Email Filtering |
|---|---|---|
| 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 | Startup, SMB, Mid-Market, Enterprise |
| Company | Mimecast | MX Layer |
| Headquarters | – | – |

### Use cases and capabilities

| | Mimecast Advanced Email Security | MX Layer Outbound Email Filtering |
|---|---|---|
| Microsoft 365 | Yes | – |
| Content Filtering | – | Yes |
| DKIM | – | Yes |
| DMARC | – | Yes |
| SPF | – | Yes |
| Spam Prevention | – | Yes |

### Core features

**Mimecast Advanced Email Security**

10 features listed. Sign in on the page to see them.

**MX Layer Outbound Email Filtering**

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.

**MX Layer Outbound Email Filtering**

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.
- [MX Layer Outbound Email Filtering](https://cybersectools.com/tools/mx-layer-outbound-email-filtering) fits if you want a cloud product and you are a startup.

## Mimecast Advanced Email Security vs MX Layer Outbound Email Filtering FAQ

Common questions when comparing Mimecast Advanced Email Security vs MX Layer Outbound Email Filtering for email security platforms.

### What is the difference between Mimecast Advanced Email Security and MX Layer Outbound Email Filtering?

**Mimecast Advanced Email Security**: Email security platform protecting M365 & Google Workspace from threats. Built by Mimecast.

**MX Layer Outbound Email Filtering**: Outbound email filtering platform for spam prevention and IP reputation mgmt. Built by MX Layer.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Mimecast Advanced Email Security and MX Layer Outbound Email Filtering?

**Mimecast Advanced Email Security** is made by Mimecast. **MX Layer Outbound Email Filtering** is made by MX Layer. 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 MX Layer Outbound Email Filtering?

Often, yes. Mimecast Advanced Email Security and MX Layer Outbound Email Filtering 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 SmarterTools SmarterMail](https://cybersectools.com/compare/mimecast-advanced-email-security-vs-smartertools-smartermail)
- [Mimecast Advanced Email Security vs SpamTitan Gateway](https://cybersectools.com/compare/mimecast-advanced-email-security-vs-spamtitan-gateway)
- [Mimecast Advanced Email Security vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mimecast-advanced-email-security)
- [MX Layer Outbound Email Filtering vs SmarterTools SmarterMail](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-smartertools-smartermail)
- [MX Layer Outbound Email Filtering vs SpamTitan Gateway](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-spamtitan-gateway)
- [MX Layer Outbound Email Filtering vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-mx-layer-outbound-email-filtering)

## Alternatives to each

- [See all Mimecast Advanced Email Security alternatives](https://cybersectools.com/alternatives/mimecast-advanced-email-security)
- [See all MX Layer Outbound Email Filtering alternatives](https://cybersectools.com/alternatives/mx-layer-outbound-email-filtering)

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Source: https://cybersectools.com/compare/mimecast-advanced-email-security-vs-mx-layer-outbound-email-filtering

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 MX Layer Outbound Email Filtering: 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
