# GLIMPS Email Security for M365 vs TrustLayer Mail: side-by-side comparison (2026)

[GLIMPS Email Security for M365](https://cybersectools.com/tools/glimps-email-security-for-m365) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [GLIMPS](https://cybersectools.com/companies/glimps). [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [TrustLayer](https://cybersectools.com/companies/trustlayer). 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

| | GLIMPS Email Security for M365 | TrustLayer Mail |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | GLIMPS | TrustLayer |
| Headquarters | – | – |

### Use cases and capabilities

| | GLIMPS Email Security for M365 | TrustLayer Mail |
|---|---|---|
| Zero Day | Yes | – |
| DKIM | Yes | – |
| DMARC | Yes | – |
| Microsoft 365 | Yes | Yes |

### Core features

**GLIMPS Email Security for M365**

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

**TrustLayer Mail**

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

### Integrations

**GLIMPS Email Security for M365**

2 integrations listed. Sign in on the page to see them.

**TrustLayer Mail**

1 integration 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.

- [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail) fits if you are a startup.

## GLIMPS Email Security for M365 vs TrustLayer Mail FAQ

Common questions when comparing GLIMPS Email Security for M365 vs TrustLayer Mail for email security platforms.

### What is the difference between GLIMPS Email Security for M365 and TrustLayer Mail?

**GLIMPS Email Security for M365**: AI-based email security for M365 with phishing, BEC & malware detection. Built by GLIMPS.

**TrustLayer Mail**: Email security platform with inline threat protection and compliant archiving. Built by TrustLayer.

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

### Who makes GLIMPS Email Security for M365 and TrustLayer Mail?

**GLIMPS Email Security for M365** is made by GLIMPS. **TrustLayer Mail** is made by TrustLayer. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is GLIMPS Email Security for M365 a good alternative to TrustLayer Mail?

Often, yes. GLIMPS Email Security for M365 and TrustLayer Mail are both Email Security Platforms products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [GLIMPS Email Security for M365 vs OPSWAT MetaDefender Email Security](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-opswat-metadefender-email-security)
- [GLIMPS Email Security for M365 vs ID Agent Graphus](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-id-agent-graphus)
- [GLIMPS Email Security for M365 vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-infonaligy-proofpoint-email-security)
- [TrustLayer Mail vs OPSWAT MetaDefender Email Security](https://cybersectools.com/compare/opswat-metadefender-email-security-vs-trustlayer-mail)
- [TrustLayer Mail vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-trustlayer-mail)
- [TrustLayer Mail vs Infonaligy Proofpoint Email Security](https://cybersectools.com/compare/infonaligy-proofpoint-email-security-vs-trustlayer-mail)

## Alternatives to each

- [See all GLIMPS Email Security for M365 alternatives](https://cybersectools.com/alternatives/glimps-email-security-for-m365)
- [See all TrustLayer Mail alternatives](https://cybersectools.com/alternatives/trustlayer-mail)

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Source: https://cybersectools.com/compare/glimps-email-security-for-m365-vs-trustlayer-mail

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/glimps-email-security-for-m365.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on GLIMPS Email Security for M365 and TrustLayer Mail: 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