# SpamTitan Gateway vs TrustLayer Mail: side-by-side comparison (2026)

[SpamTitan Gateway](https://cybersectools.com/tools/spamtitan-gateway) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [SpamTitan (TitanHQ)](https://cybersectools.com/companies/spamtitan-titanhq). [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [TrustLayer](https://cybersectools.com/companies/trustlayer). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.

## Side-by-side comparison

| | SpamTitan Gateway | TrustLayer Mail |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | SpamTitan (TitanHQ) | TrustLayer |
| Headquarters | – | – |

### Use cases and capabilities

| | SpamTitan Gateway | TrustLayer Mail |
|---|---|---|
| Spam Prevention | Yes | – |
| Content Filtering | Yes | – |
| SPF | Yes | – |
| DKIM | Yes | – |
| Multi Tenancy | Yes | – |
| Gateway | Yes | – |
| Active Directory | Yes | – |
| Microsoft 365 | – | Yes |

### Core features

**SpamTitan Gateway**

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

**TrustLayer Mail**

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

### Integrations

**SpamTitan Gateway**

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

**TrustLayer Mail**

1 integration 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.

- [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail) fits if you are a startup.

## SpamTitan Gateway vs TrustLayer Mail FAQ

Common questions when comparing SpamTitan Gateway vs TrustLayer Mail for email security platforms.

### What is the difference between SpamTitan Gateway and TrustLayer Mail?

**SpamTitan Gateway**: Email security gateway appliance for spam/malware filtering and mail flow control. Built by SpamTitan (TitanHQ).

**TrustLayer Mail**: Email security platform with inline threat protection and compliant archiving. Built by TrustLayer.

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

### Who makes SpamTitan Gateway and TrustLayer Mail?

**SpamTitan Gateway** is made by SpamTitan (TitanHQ). **TrustLayer Mail** is made by TrustLayer. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is SpamTitan Gateway a good alternative to TrustLayer Mail?

Often, yes. SpamTitan Gateway and TrustLayer Mail are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [SpamTitan Gateway vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-spamtitan-gateway)
- [SpamTitan Gateway vs SmarterTools SmarterMail](https://cybersectools.com/compare/smartertools-smartermail-vs-spamtitan-gateway)
- [SpamTitan Gateway vs SpamTitan for Office 365](https://cybersectools.com/compare/spamtitan-for-office-365-vs-spamtitan-gateway)
- [TrustLayer Mail vs MX Layer Outbound Email Filtering](https://cybersectools.com/compare/mx-layer-outbound-email-filtering-vs-trustlayer-mail)
- [TrustLayer Mail vs SmarterTools SmarterMail](https://cybersectools.com/compare/smartertools-smartermail-vs-trustlayer-mail)
- [TrustLayer Mail vs SpamTitan for Office 365](https://cybersectools.com/compare/spamtitan-for-office-365-vs-trustlayer-mail)

## Alternatives to each

- [See all SpamTitan Gateway alternatives](https://cybersectools.com/alternatives/spamtitan-gateway)
- [See all TrustLayer Mail alternatives](https://cybersectools.com/alternatives/trustlayer-mail)

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Source: https://cybersectools.com/compare/spamtitan-gateway-vs-trustlayer-mail

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

More on SpamTitan Gateway and TrustLayer Mail: 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