# SecuPi Data De-identification vs SEPPmail Secure Email Gateway: side-by-side comparison (2026)

[SecuPi Data De-identification](https://cybersectools.com/tools/secupi-data-de-identification) is a commercial [data masking & synthetic data](https://cybersectools.com/categories/data-masking) solution by [SecuPi](https://cybersectools.com/companies/secupi). [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

| | SecuPi Data De-identification | SEPPmail Secure Email Gateway |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Masking & Synthetic Data | Email Encryption |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | SecuPi | SEPPmail AG |
| Headquarters | – | – |

### Use cases and capabilities

| | SecuPi Data De-identification | SEPPmail Secure Email Gateway |
|---|---|---|
| Encryption | Yes | Yes |
| Tokenization | Yes | – |
| Gateway | – | Yes |
| SMTP | – | Yes |
| GDPR | – | Yes |
| DKIM | – | Yes |
| SPF | – | Yes |
| DMARC | – | Yes |
| TLS | – | Yes |
| PII | – | Yes |
| Security Compliance Training | – | Yes |

### Core features

**SecuPi Data De-identification**

8 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

**SecuPi Data De-identification**

2 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.

- [SecuPi Data De-identification](https://cybersectools.com/tools/secupi-data-de-identification) fits if you need both cloud and on-premises options.
- [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway) fits if you need to run it on your own servers.

## SecuPi Data De-identification vs SEPPmail Secure Email Gateway FAQ

Common questions when comparing SecuPi Data De-identification vs SEPPmail Secure Email Gateway for data masking & synthetic data.

### What is the difference between SecuPi Data De-identification and SEPPmail Secure Email Gateway?

**SecuPi Data De-identification**: Data de-identification platform using FPE, tokenization, and masking. Built by SecuPi.

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

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

### Who makes SecuPi Data De-identification and SEPPmail Secure Email Gateway?

**SecuPi Data De-identification** is made by SecuPi. **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 SecuPi Data De-identification a good alternative to SEPPmail Secure Email Gateway?

In part. SecuPi Data De-identification and SEPPmail Secure Email Gateway are not in the same category on CybersecTools. Both cover Encryption. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SecuPi Data De-identification vs Protegrity Data Protection](https://cybersectools.com/compare/protegrity-data-protection-vs-secupi-data-de-identification)
- [SecuPi Data De-identification vs Randtronics DPM easyData](https://cybersectools.com/compare/randtronics-dpm-easydata-vs-secupi-data-de-identification)
- [SecuPi Data De-identification vs Skyflow Healthcare Data Privacy Vault](https://cybersectools.com/compare/skyflow-healthcare-data-privacy-vault-vs-secupi-data-de-identification)
- [SEPPmail Secure Email Gateway vs Protegrity Data Protection](https://cybersectools.com/compare/protegrity-data-protection-vs-seppmail-secure-email-gateway)
- [SEPPmail Secure Email Gateway vs Randtronics DPM easyData](https://cybersectools.com/compare/randtronics-dpm-easydata-vs-seppmail-secure-email-gateway)
- [SEPPmail Secure Email Gateway vs Skyflow Healthcare Data Privacy Vault](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-skyflow-healthcare-data-privacy-vault)

## Alternatives to each

- [See all SecuPi Data De-identification alternatives](https://cybersectools.com/alternatives/secupi-data-de-identification)
- [See all SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway)

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Source: https://cybersectools.com/compare/secupi-data-de-identification-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/secupi-data-de-identification.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on SecuPi Data De-identification 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