# PRIM'X ZEDMAIL vs StealthMail: side-by-side comparison (2026)

[PRIM'X ZEDMAIL](https://cybersectools.com/tools/primx-zedmail) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [PRIM'X](https://cybersectools.com/companies/primx). [StealthMail](https://cybersectools.com/tools/stealthmail) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [StealthMail](https://cybersectools.com/companies/stealthmail). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | PRIM'X ZEDMAIL | StealthMail |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Encryption | Email Encryption |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | PRIM'X | StealthMail |
| Headquarters | – | – |

### Use cases and capabilities

| | PRIM'X ZEDMAIL | StealthMail |
|---|---|---|
| Encryption | Yes | Yes |
| Active Directory | Yes | – |
| Outlook | Yes | – |
| Microsoft 365 | Yes | – |
| iOS | Yes | – |
| Password Management | Yes | – |
| Windows | Yes | – |
| Key Management | Yes | – |
| Office 365 | Yes | – |

### Core features

**PRIM'X ZEDMAIL**

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

**StealthMail**

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

### Integrations

**PRIM'X ZEDMAIL**

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

**StealthMail**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [PRIM'X ZEDMAIL](https://cybersectools.com/tools/primx-zedmail) fits if you need to run it on your own servers and you are a small business.
- [StealthMail](https://cybersectools.com/tools/stealthmail) fits if you need both cloud and on-premises options.

## PRIM'X ZEDMAIL vs StealthMail FAQ

Common questions when comparing PRIM'X ZEDMAIL vs StealthMail for email encryption.

### What is the difference between PRIM'X ZEDMAIL and StealthMail?

**PRIM'X ZEDMAIL**: Transparent email and attachment encryption for corporate messaging via Outlook, built by PRIM'X.

**StealthMail**: Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities, built by StealthMail.

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

### Who makes PRIM'X ZEDMAIL and StealthMail?

**PRIM'X ZEDMAIL** is made by PRIM'X. **StealthMail** is made by StealthMail. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is PRIM'X ZEDMAIL a good alternative to StealthMail?

Often, yes. PRIM'X ZEDMAIL and StealthMail 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

- [PRIM'X ZEDMAIL vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-primx-zedmail)
- [PRIM'X ZEDMAIL vs Beyond Encryption Mailock for M365](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-primx-zedmail)
- [PRIM'X ZEDMAIL vs Z1 SecureMail Gateway](https://cybersectools.com/compare/primx-zedmail-vs-zertificon-z1-solutions)
- [StealthMail vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-stealthmail)
- [StealthMail vs Beyond Encryption Mailock for M365](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-stealthmail)
- [StealthMail vs Z1 SecureMail Gateway](https://cybersectools.com/compare/stealthmail-vs-zertificon-z1-solutions)

## Alternatives to each

- [See all PRIM'X ZEDMAIL alternatives](https://cybersectools.com/alternatives/primx-zedmail)
- [See all StealthMail alternatives](https://cybersectools.com/alternatives/stealthmail)

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Source: https://cybersectools.com/compare/primx-zedmail-vs-stealthmail

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

More on PRIM'X ZEDMAIL and StealthMail: 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