---
description: Side-by-side comparison of Mailock vs Stalwart. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Mailock vs Stalwart Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Secure Email Gateway Software](/directory/32955/secure-email-gateway/software) > [Mailock \<span\>vs\</span\> Stalwart](https://www.capterra.co.uk/compare/1014858/1082177/mailock/vs/Stalwart)

# Compare Mailock vs Stalwart

Canonical: https://www.capterra.co.uk/compare/1014858/1082177/mailock/vs/Stalwart

> Detailed comparison between Mailock and Stalwart. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Mailock | Stalwart |
| **Overall rating** | 4.7/5 | - |
| **Total Reviews** | 63 | 0 |
| **Starting Price** | - | US$2.40 |
| **Free Trial** | Yes | Yes |
| **Free Version** | Yes | Yes |
| **Deployment** | Cloud, SaaS, Web-based, Windows (Desktop), Windows (On-Premise) | Cloud, SaaS, Web-based, Windows (On-Premise), Linux (On-Premise) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat |
| **Training** | In Person, Live Online, Webinars, Documentation, Videos | In Person, Live Online, Documentation |

## Best for

### Mailock

Financial Services, Insurance \&amp; Pensions, Banking, Accountancy, Education, Recruitment, Legal, Government, Healthcare, Investments, Estate \&amp; Lettings

### Stalwart

Designed for businesses of all sizes seeking a secure, high-performance, self-hosted email and collaboration server, including SMBs, enterprises, mailbox providers, and privacy-focused organizations.

## Key features

### Mailock

- API
- Activity Dashboard
- Audit Trail
- Email Attachment Protection
- Email Filtering
- Email Monitoring
- Encryption
- For MSPs
- Monitoring
- Phishing Protection
- Real-Time Monitoring
- Reporting/Analytics
- Scheduled/Automated Reports
- Security Auditing
- Third-Party Integrations
- Threat Protection
- Threat Response
- Two-Factor Authentication

### Stalwart

- AI/Machine Learning
- API
- Activity Dashboard
- Audit Trail
- Email Attachment Protection
- Email Filtering
- Encryption
- Phishing Protection
- Real-Time Monitoring
- Reporting/Analytics
- Scheduled/Automated Reports
- Security Auditing
- Spam Analysis
- Third-Party Integrations
- Threat Protection
- Threat Response
- Two-Factor Authentication

## Links

- [View Mailock Profile](https://www.capterra.co.uk/software/1014858/mailock)
- [View Stalwart Profile](https://www.capterra.co.uk/software/1082177/Stalwart)
- [View Original Comparison](https://www.capterra.co.uk/compare/1014858/1082177/mailock/vs/Stalwart)

-----

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