# GreatHorn Mailbox Intelligence vs TEHTRIS XDR/DNS Firewall: side-by-side comparison (2026)

[GreatHorn Mailbox Intelligence](https://cybersectools.com/tools/greathorn-mailbox-intelligence) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [GreatHorn](https://cybersectools.com/companies/greathorn). [TEHTRIS XDR/DNS Firewall](https://cybersectools.com/tools/tehtris-xdrdns-firewall) is a commercial [next-gen firewalls](https://cybersectools.com/categories/next-generation-firewalls) solution by [TEHTRIS](https://cybersectools.com/companies/tehtris). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | GreatHorn Mailbox Intelligence | TEHTRIS XDR/DNS Firewall |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Anti-Phishing | Next-Gen Firewalls |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | GreatHorn | TEHTRIS |
| Headquarters | – | – |

### Use cases and capabilities

| | GreatHorn Mailbox Intelligence | TEHTRIS XDR/DNS Firewall |
|---|---|---|
| Microsoft 365 | Yes | – |
| DNS Security | – | Yes |

### Core features

**GreatHorn Mailbox Intelligence**

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

**TEHTRIS XDR/DNS Firewall**

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

### Integrations

**GreatHorn Mailbox Intelligence**

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

**TEHTRIS XDR/DNS Firewall**

2 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.

- [GreatHorn Mailbox Intelligence](https://cybersectools.com/tools/greathorn-mailbox-intelligence) fits if you are a startup.

## GreatHorn Mailbox Intelligence vs TEHTRIS XDR/DNS Firewall FAQ

Common questions when comparing GreatHorn Mailbox Intelligence vs TEHTRIS XDR/DNS Firewall for anti-phishing.

### What is the difference between GreatHorn Mailbox Intelligence and TEHTRIS XDR/DNS Firewall?

**GreatHorn Mailbox Intelligence**: Email security tool empowering users to identify & report phishing threats. Built by GreatHorn.

**TEHTRIS XDR/DNS Firewall**: DNS traffic monitoring and threat blocking module within TEHTRIS XDR Platform. Built by TEHTRIS.

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

### Who makes GreatHorn Mailbox Intelligence and TEHTRIS XDR/DNS Firewall?

**GreatHorn Mailbox Intelligence** is made by GreatHorn. **TEHTRIS XDR/DNS Firewall** is made by TEHTRIS. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is GreatHorn Mailbox Intelligence a good alternative to TEHTRIS XDR/DNS Firewall?

In part. GreatHorn Mailbox Intelligence and TEHTRIS XDR/DNS Firewall are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [GreatHorn Mailbox Intelligence vs Egress Defend](https://cybersectools.com/compare/egress-defend-vs-greathorn-mailbox-intelligence)
- [GreatHorn Mailbox Intelligence vs TitanHQ PhishTitan](https://cybersectools.com/compare/greathorn-mailbox-intelligence-vs-titanhq-phishtitan)
- [GreatHorn Mailbox Intelligence vs Phriendly Phishing Phish Focus](https://cybersectools.com/compare/greathorn-mailbox-intelligence-vs-phriendly-phishing-phish-focus)
- [TEHTRIS XDR/DNS Firewall vs Egress Defend](https://cybersectools.com/compare/egress-defend-vs-tehtris-xdrdns-firewall)
- [TEHTRIS XDR/DNS Firewall vs TitanHQ PhishTitan](https://cybersectools.com/compare/tehtris-xdrdns-firewall-vs-titanhq-phishtitan)
- [TEHTRIS XDR/DNS Firewall vs Phriendly Phishing Phish Focus](https://cybersectools.com/compare/phriendly-phishing-phish-focus-vs-tehtris-xdrdns-firewall)

## Alternatives to each

- [See all GreatHorn Mailbox Intelligence alternatives](https://cybersectools.com/alternatives/greathorn-mailbox-intelligence)
- [See all TEHTRIS XDR/DNS Firewall alternatives](https://cybersectools.com/alternatives/tehtris-xdrdns-firewall)

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Source: https://cybersectools.com/compare/greathorn-mailbox-intelligence-vs-tehtris-xdrdns-firewall

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More on GreatHorn Mailbox Intelligence and TEHTRIS XDR/DNS Firewall: 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
