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

[Egress Protect](https://cybersectools.com/tools/egress-protect) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Egress](https://cybersectools.com/companies/egress). [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

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

### Use cases and capabilities

| | Egress Protect | SEPPmail Secure Email Gateway |
|---|---|---|
| Encryption | Yes | Yes |
| Microsoft 365 | Yes | – |
| Gateway | – | Yes |
| SMTP | – | Yes |
| GDPR | – | Yes |
| DKIM | – | Yes |
| SPF | – | Yes |
| DMARC | – | Yes |
| TLS | – | Yes |
| PII | – | Yes |
| Security Compliance Training | – | Yes |

### Core features

**Egress Protect**

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

**Egress Protect**

8 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.

- [Egress Protect](https://cybersectools.com/tools/egress-protect) 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.

## Egress Protect vs SEPPmail Secure Email Gateway FAQ

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

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

**Egress Protect**: End-to-end email encryption with DLP and access controls for Microsoft 365. Built by Egress.

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

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

### Who makes Egress Protect and SEPPmail Secure Email Gateway?

**Egress Protect** is made by Egress. **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 Egress Protect a good alternative to SEPPmail Secure Email Gateway?

Often, yes. Egress Protect and SEPPmail 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

- [Egress Protect vs Z1 SecureMail Gateway](https://cybersectools.com/compare/egress-protect-vs-zertificon-z1-solutions)
- [Egress Protect vs LuxSci](https://cybersectools.com/compare/egress-protect-vs-luxsci)
- [Egress Protect vs Zivver Secure Email Gateway](https://cybersectools.com/compare/egress-protect-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 Egress Protect alternatives](https://cybersectools.com/alternatives/egress-protect)
- [See all SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway)

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Source: https://cybersectools.com/compare/egress-protect-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/egress-protect.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Egress Protect 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