# Bitdefender GravityZone Extended Email Security vs GLIMPS Email Security for M365: side-by-side comparison (2026)

[Bitdefender GravityZone Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Bitdefender](https://cybersectools.com/companies/bitdefender). [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). 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 Extended Email Security | GLIMPS Email Security for M365 |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Bitdefender | GLIMPS |
| Headquarters | – | – |

### Use cases and capabilities

| | Bitdefender GravityZone Extended Email Security | GLIMPS Email Security for M365 |
|---|---|---|
| Microsoft 365 | Yes | Yes |
| Ransomware Prevention | Yes | – |
| Multi Tenancy | Yes | – |
| Zero Day | – | Yes |
| DKIM | – | Yes |
| DMARC | – | Yes |

### Core features

**Bitdefender GravityZone Extended Email Security**

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

**GLIMPS Email Security for M365**

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

### Integrations

**Bitdefender GravityZone Extended Email Security**

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

**GLIMPS Email Security for M365**

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 Extended Email Security](https://cybersectools.com/tools/bitdefender-gravityzone-extended-email-security) fits if you want a cloud product.
- [GLIMPS Email Security for M365](https://cybersectools.com/tools/glimps-email-security-for-m365) fits if you need both cloud and on-premises options.

## Bitdefender GravityZone Extended Email Security vs GLIMPS Email Security for M365 FAQ

Common questions when comparing Bitdefender GravityZone Extended Email Security vs GLIMPS Email Security for M365 for email security platforms.

### What is the difference between Bitdefender GravityZone Extended Email Security and GLIMPS Email Security for M365?

**Bitdefender GravityZone Extended Email Security**: Cloud-native email security platform with SEG and API-based protection. Built by Bitdefender.

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

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

### Who makes Bitdefender GravityZone Extended Email Security and GLIMPS Email Security for M365?

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

### Is Bitdefender GravityZone Extended Email Security a good alternative to GLIMPS Email Security for M365?

Often, yes. Bitdefender GravityZone Extended Email Security and GLIMPS Email Security for M365 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

- [Bitdefender GravityZone Extended Email Security vs Mesh 365](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-mesh-365)
- [Bitdefender GravityZone Extended Email Security vs Ironscales DMARC Management](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-ironscales-dmarc-management)
- [Bitdefender GravityZone Extended Email Security vs Vircom Email Security](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-vircom-email-security)
- [GLIMPS Email Security for M365 vs Mesh 365](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-mesh-365)
- [GLIMPS Email Security for M365 vs Ironscales DMARC Management](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-ironscales-dmarc-management)
- [GLIMPS Email Security for M365 vs Vircom Email Security](https://cybersectools.com/compare/glimps-email-security-for-m365-vs-vircom-email-security)

## Alternatives to each

- [See all Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security)
- [See all GLIMPS Email Security for M365 alternatives](https://cybersectools.com/alternatives/glimps-email-security-for-m365)

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Source: https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-glimps-email-security-for-m365

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

More on Bitdefender GravityZone Extended Email Security and GLIMPS Email Security for M365: 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
