# A Security vs SmarterTools SmarterMail: side-by-side comparison (2026)

[A Security](https://cybersectools.com/tools/a-security) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [A Security](https://cybersectools.com/companies/asecurity). [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SmarterTools](https://cybersectools.com/companies/smartertools). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | A Security | SmarterTools SmarterMail |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Red-Team & Adversary Emulation | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | A Security | SmarterTools |
| Headquarters | – | – |

### Use cases and capabilities

| | A Security | SmarterTools SmarterMail |
|---|---|---|
| Attack Paths | Yes | – |
| Continuous Testing | Yes | – |
| Red Team | Yes | – |
| Vulnerability Exploitation | Yes | – |
| AI Pentesting | Yes | – |
| MITRE ATT&CK | Yes | – |
| Exploit Development | Yes | – |
| Security Validation | Yes | – |
| Penetration Testing Framework | Yes | – |
| Lateral Movement | Yes | – |
| Spam Prevention | – | Yes |
| Linux | – | Yes |
| Windows | – | Yes |
| DKIM | – | Yes |
| SPF | – | Yes |
| DMARC | – | Yes |

### Core features

**A Security**

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

**SmarterTools SmarterMail**

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

### Integrations

**A Security**

1 integration listed. Sign in on the page to see them.

**SmarterTools SmarterMail**

6 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.

- [A Security](https://cybersectools.com/tools/a-security) fits if you want a cloud product.
- [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail) fits if you need to run it on your own servers and you are a startup or a small business.

## A Security vs SmarterTools SmarterMail FAQ

Common questions when comparing A Security vs SmarterTools SmarterMail for red-team & adversary emulation.

### What is the difference between A Security and SmarterTools SmarterMail?

**A Security**: Autonomous offensive security platform that finds, validates, and remediates attack paths. Built by A Security.

**SmarterTools SmarterMail**: Email server with antispam, antivirus, and security features for Linux/Windows. Built by SmarterTools.

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

### Who makes A Security and SmarterTools SmarterMail?

**A Security** is made by A Security. **SmarterTools SmarterMail** is made by SmarterTools. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is A Security a good alternative to SmarterTools SmarterMail?

In part. A Security and SmarterTools SmarterMail are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [A Security vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/a-security-vs-crimson7-offensive-engineering)
- [A Security vs Red Specter Cheatsheet](https://cybersectools.com/compare/a-security-vs-red-specter-cheatsheet)
- [A Security vs KinoSec Hades](https://cybersectools.com/compare/a-security-vs-kinosec-hades)
- [SmarterTools SmarterMail vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/crimson7-offensive-engineering-vs-smartertools-smartermail)
- [SmarterTools SmarterMail vs Red Specter Cheatsheet](https://cybersectools.com/compare/red-specter-cheatsheet-vs-smartertools-smartermail)
- [SmarterTools SmarterMail vs KinoSec Hades](https://cybersectools.com/compare/kinosec-hades-vs-smartertools-smartermail)

## Alternatives to each

- [See all A Security alternatives](https://cybersectools.com/alternatives/a-security)
- [See all SmarterTools SmarterMail alternatives](https://cybersectools.com/alternatives/smartertools-smartermail)

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Source: https://cybersectools.com/compare/a-security-vs-smartertools-smartermail

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More on A Security and SmarterTools SmarterMail: 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