# Intermedia Email Encryption vs RPost RMail Email Encryption: side-by-side comparison (2026)

[Intermedia Email Encryption](https://cybersectools.com/tools/intermedia-email-encryption) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Intermedia](https://cybersectools.com/companies/intermedia). [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Rmail](https://cybersectools.com/companies/rmail). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Intermedia Email Encryption | RPost RMail Email Encryption |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Encryption | Email Encryption |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Intermedia | Rmail |
| Headquarters | – | – |

### Use cases and capabilities

| | Intermedia Email Encryption | RPost RMail Email Encryption |
|---|---|---|
| Encryption | Yes | Yes |
| Microsoft 365 | Yes | – |
| REST API | – | Yes |
| TLS | – | Yes |

### Core features

**Intermedia Email Encryption**

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

**RPost RMail Email Encryption**

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

### Integrations

**Intermedia Email Encryption**

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

**RPost RMail Email Encryption**

23 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.

- [Intermedia Email Encryption](https://cybersectools.com/tools/intermedia-email-encryption) fits if you want the lower starting price (from $3.12 per user per month).

## Intermedia Email Encryption vs RPost RMail Email Encryption FAQ

Common questions when comparing Intermedia Email Encryption vs RPost RMail Email Encryption for email encryption.

### What is the difference between Intermedia Email Encryption and RPost RMail Email Encryption?

**Intermedia Email Encryption**: Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs. Built by Intermedia.

**RPost RMail Email Encryption**: Email encryption service with automated delivery and compliance tracking. Built by Rmail.

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

### Who makes Intermedia Email Encryption and RPost RMail Email Encryption?

**Intermedia Email Encryption** is made by Intermedia. **RPost RMail Email Encryption** is made by Rmail. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Intermedia Email Encryption a good alternative to RPost RMail Email Encryption?

Often, yes. Intermedia Email Encryption and RPost RMail Email Encryption 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

- [Intermedia Email Encryption vs LuxSci](https://cybersectools.com/compare/intermedia-email-encryption-vs-luxsci)
- [Intermedia Email Encryption vs Z1 SecureMail Gateway](https://cybersectools.com/compare/intermedia-email-encryption-vs-zertificon-z1-solutions)
- [Intermedia Email Encryption vs Egress Protect](https://cybersectools.com/compare/egress-protect-vs-intermedia-email-encryption)
- [RPost RMail Email Encryption vs LuxSci](https://cybersectools.com/compare/luxsci-vs-rpost-rmail-email-encryption)
- [RPost RMail Email Encryption vs Z1 SecureMail Gateway](https://cybersectools.com/compare/rpost-rmail-email-encryption-vs-zertificon-z1-solutions)
- [RPost RMail Email Encryption vs Egress Protect](https://cybersectools.com/compare/egress-protect-vs-rpost-rmail-email-encryption)

## Alternatives to each

- [See all Intermedia Email Encryption alternatives](https://cybersectools.com/alternatives/intermedia-email-encryption)
- [See all RPost RMail Email Encryption alternatives](https://cybersectools.com/alternatives/rpost-rmail-email-encryption)

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Source: https://cybersectools.com/compare/intermedia-email-encryption-vs-rpost-rmail-email-encryption

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

More on Intermedia Email Encryption and RPost RMail Email Encryption: 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
