# Bitdefender GravityZone Extended Email Security vs zvelo PhishBlocklist™: 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). [zvelo PhishBlocklist™](https://cybersectools.com/tools/zvelo-phishblocklisttm) is a commercial [threat intel feeds](https://cybersectools.com/categories/threat-intel-feeds) solution by [Zvelo](https://cybersectools.com/companies/zvelo). 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 | zvelo PhishBlocklist™ |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Threat Intel Feeds |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Bitdefender | Zvelo |
| Headquarters | – | – |

### Use cases and capabilities

| | Bitdefender GravityZone Extended Email Security | zvelo PhishBlocklist™ |
|---|---|---|
| Microsoft 365 | Yes | – |
| Ransomware Prevention | Yes | – |
| Multi Tenancy | Yes | – |
| Threat Feed | – | Yes |
| URL Filtering | – | Yes |
| Cyber Threat Intelligence | – | Yes |

### Core features

**Bitdefender GravityZone Extended Email Security**

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

**zvelo PhishBlocklist™**

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.

**zvelo PhishBlocklist™**

No integrations listed.

## Bitdefender GravityZone Extended Email Security vs zvelo PhishBlocklist™ FAQ

Common questions when comparing Bitdefender GravityZone Extended Email Security vs zvelo PhishBlocklist™ for email security platforms.

### What is the difference between Bitdefender GravityZone Extended Email Security and zvelo PhishBlocklist™?

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

**zvelo PhishBlocklist™**: Curated phishing threat intelligence feed with predictive detection. Built by Zvelo.

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

### Who makes Bitdefender GravityZone Extended Email Security and zvelo PhishBlocklist™?

**Bitdefender GravityZone Extended Email Security** is made by Bitdefender. **zvelo PhishBlocklist™** is made by Zvelo. 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 zvelo PhishBlocklist™?

In part. Bitdefender GravityZone Extended Email Security and zvelo PhishBlocklist™ are not in the same category on CybersecTools. 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 Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-cellopoint-cloud-email-security-solution)
- [Bitdefender GravityZone Extended Email Security vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-inky-behavioral-email-security-platform)
- [zvelo PhishBlocklist™ vs Mesh 365](https://cybersectools.com/compare/mesh-365-vs-zvelo-phishblocklisttm)
- [zvelo PhishBlocklist™ vs Cellopoint Cloud Email Security Solution](https://cybersectools.com/compare/cellopoint-cloud-email-security-solution-vs-zvelo-phishblocklisttm)
- [zvelo PhishBlocklist™ vs INKY Behavioral Email Security Platform](https://cybersectools.com/compare/inky-behavioral-email-security-platform-vs-zvelo-phishblocklisttm)

## Alternatives to each

- [See all Bitdefender GravityZone Extended Email Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-extended-email-security)
- [See all zvelo PhishBlocklist™ alternatives](https://cybersectools.com/alternatives/zvelo-phishblocklisttm)

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Source: https://cybersectools.com/compare/bitdefender-gravityzone-extended-email-security-vs-zvelo-phishblocklisttm

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More on Bitdefender GravityZone Extended Email Security and zvelo PhishBlocklist™: 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
