# Galaxkey Email Encryption Software vs Zivver Secure Email Gateway: side-by-side comparison (2026)

[Galaxkey Email Encryption Software](https://cybersectools.com/tools/galaxkey-email-encryption-software) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [GALAXKEY](https://cybersectools.com/companies/galaxkey). [Zivver Secure Email Gateway](https://cybersectools.com/tools/zivver-secure-email-gateway) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Zivver](https://cybersectools.com/companies/zivver). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Galaxkey Email Encryption Software | Zivver Secure Email Gateway |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Encryption | Email Encryption |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | GALAXKEY | Zivver |
| Headquarters | – | – |

### Use cases and capabilities

| | Galaxkey Email Encryption Software | Zivver Secure Email Gateway |
|---|---|---|
| Encryption | Yes | Yes |
| Gateway | – | Yes |

### Core features

**Galaxkey Email Encryption Software**

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

**Zivver Secure Email Gateway**

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

### Integrations

**Galaxkey Email Encryption Software**

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

**Zivver Secure Email Gateway**

3 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.

- [Galaxkey Email Encryption Software](https://cybersectools.com/tools/galaxkey-email-encryption-software) fits if you are a startup.

## Galaxkey Email Encryption Software vs Zivver Secure Email Gateway FAQ

Common questions when comparing Galaxkey Email Encryption Software vs Zivver Secure Email Gateway for email encryption.

### What is the difference between Galaxkey Email Encryption Software and Zivver Secure Email Gateway?

**Galaxkey Email Encryption Software**: Email encryption software using FIPS 140-2 compliant modules and RSA keys. Built by GALAXKEY.

**Zivver Secure Email Gateway**: Secure email gateway with automated DLP and zero-knowledge encryption. Built by Zivver.

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

### Who makes Galaxkey Email Encryption Software and Zivver Secure Email Gateway?

**Galaxkey Email Encryption Software** is made by GALAXKEY. **Zivver Secure Email Gateway** is made by Zivver. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Galaxkey Email Encryption Software a good alternative to Zivver Secure Email Gateway?

Often, yes. Galaxkey Email Encryption Software and Zivver Secure Email Gateway are both Email Encryption products, and both cover Encryption. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Galaxkey Email Encryption Software vs Z1 SecureMail Gateway](https://cybersectools.com/compare/galaxkey-email-encryption-software-vs-zertificon-z1-solutions)
- [Galaxkey Email Encryption Software vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/galaxkey-email-encryption-software-vs-seppmail-secure-email-gateway)
- [Galaxkey Email Encryption Software vs Egress Protect](https://cybersectools.com/compare/egress-protect-vs-galaxkey-email-encryption-software)
- [Zivver Secure Email Gateway vs Z1 SecureMail Gateway](https://cybersectools.com/compare/zertificon-z1-solutions-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs Egress Protect](https://cybersectools.com/compare/egress-protect-vs-zivver-secure-email-gateway)

## Alternatives to each

- [See all Galaxkey Email Encryption Software alternatives](https://cybersectools.com/alternatives/galaxkey-email-encryption-software)
- [See all Zivver Secure Email Gateway alternatives](https://cybersectools.com/alternatives/zivver-secure-email-gateway)

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Source: https://cybersectools.com/compare/galaxkey-email-encryption-software-vs-zivver-secure-email-gateway

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

More on Galaxkey Email Encryption Software and Zivver Secure Email Gateway: 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
