# PreVeil vs SEPPmail Secure Email Gateway: side-by-side comparison (2026)

[PreVeil](https://cybersectools.com/tools/preveil) is a free [email encryption](https://cybersectools.com/categories/email-encryption) solution by [PreVeil](https://cybersectools.com/companies/preveil). [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [SEPPmail AG](https://cybersectools.com/companies/seppmail-ag). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | PreVeil | SEPPmail Secure Email Gateway |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Email Encryption | Email Encryption |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Startup, SMB | SMB, Mid-Market, Enterprise |
| Company | PreVeil | SEPPmail AG |
| Headquarters | – | – |

### Use cases and capabilities

| | PreVeil | SEPPmail Secure Email Gateway |
|---|---|---|
| Encryption | Yes | Yes |
| Gateway | – | Yes |
| SMTP | – | Yes |
| GDPR | – | Yes |
| DKIM | – | Yes |
| SPF | – | Yes |
| DMARC | – | Yes |
| TLS | – | Yes |
| PII | – | Yes |
| Security Compliance Training | – | Yes |

### Core features

**PreVeil**

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

**SEPPmail Secure Email Gateway**

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

### Integrations

**PreVeil**

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

**SEPPmail Secure Email Gateway**

12 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.

- [PreVeil](https://cybersectools.com/tools/preveil) fits if you need both cloud and on-premises options, you are a startup and you need a free product.
- [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway) fits if you need to run it on your own servers and you are a mid-market company or an enterprise.

## PreVeil vs SEPPmail Secure Email Gateway FAQ

Common questions when comparing PreVeil vs SEPPmail Secure Email Gateway for email encryption.

### What is the difference between PreVeil and SEPPmail Secure Email Gateway?

**PreVeil**: Free E2E encrypted email & file sharing for browser and desktop. Built by PreVeil.

**SEPPmail Secure Email Gateway**: Built by SEPPmail AG.

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

### Who makes PreVeil and SEPPmail Secure Email Gateway?

**PreVeil** is made by PreVeil. **SEPPmail Secure Email Gateway** is made by SEPPmail AG. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is PreVeil a good alternative to SEPPmail Secure Email Gateway?

Often, yes. PreVeil and SEPPmail Secure Email Gateway are both Email Encryption products, and both cover Encryption. Key differences: PreVeil is Free while SEPPmail Secure Email Gateway is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [PreVeil vs Z1 SecureMail Gateway](https://cybersectools.com/compare/preveil-vs-zertificon-z1-solutions)
- [PreVeil vs LuxSci](https://cybersectools.com/compare/luxsci-vs-preveil)
- [PreVeil vs Zivver Secure Email Gateway](https://cybersectools.com/compare/preveil-vs-zivver-secure-email-gateway)
- [SEPPmail Secure Email Gateway vs Z1 SecureMail Gateway](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-zertificon-z1-solutions)
- [SEPPmail Secure Email Gateway vs LuxSci](https://cybersectools.com/compare/luxsci-vs-seppmail-secure-email-gateway)
- [SEPPmail Secure Email Gateway vs Zivver Secure Email Gateway](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-zivver-secure-email-gateway)

## Alternatives to each

- [See all PreVeil alternatives](https://cybersectools.com/alternatives/preveil)
- [See all SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway)

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Source: https://cybersectools.com/compare/preveil-vs-seppmail-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/preveil.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on PreVeil and SEPPmail 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