Hornetsecurity vs MailStore Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated May 2026 8 min read

Hornetsecurity

0.0 (0 reviews)

Hornetsecurity provides a comprehensive cloud security suite designed to protect your Microsoft 365 environment from advanced cyber threats like phishing, ransomware, and sophisticated email-based attacks.

Starting at --
Free Trial 30 days
VS

MailStore

0.0 (0 reviews)

MailStore provides specialized email archiving software solutions for small to medium-sized businesses to manage data loss prevention, compliance requirements, and server storage optimization effectively.

Starting at $??/mo
Free Trial 30 days

Quick Comparison

Feature Hornetsecurity MailStore
Website hornetsecurity.com mailstore.com
Pricing Model Custom One_time
Starting Price Custom Pricing $??/month
FREE Trial ✓ 30 days free trial ✓ 30 days free trial
Free Plan ✘ No free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas on-premise desktop
Integrations Microsoft 365 Outlook Microsoft Teams SharePoint OneDrive Azure Active Directory Microsoft 365 Exchange Server Google Workspace Outlook MDaemon IceWarp Kerio Connect IMAP POP3
Target Users small-business mid-market enterprise small-business mid-market
Target Industries legal finance healthcare
Customer Count 0 0
Founded Year 2007 2006
Headquarters Hanover, Germany Viersen, Germany

Overview

H

Hornetsecurity

Hornetsecurity offers a specialized security suite built specifically to harden your Microsoft 365 environment. You can protect your organization from evolving digital threats using multi-layered email filtering, automated backup solutions, and security awareness training for your employees. It acts as a protective shield that sits in front of your inbox, neutralizing malicious links and attachments before they ever reach your team.

You can manage your entire security posture from a single dashboard, reducing the complexity of handling multiple point solutions. The platform solves the critical problem of data loss and downtime by providing automated backups for emails, Teams chats, and OneDrive files. Whether you are a small business or a large enterprise, you can ensure your communication remains secure and compliant with international data protection standards.

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MailStore

MailStore helps you take full control of your company's email data by creating 1:1 copies of all emails in a central archive. You can secure large volumes of data permanently while meeting complex legal retention requirements and GDPR obligations. By offloading emails from your active server to the archive, you significantly reduce the workload on your IT infrastructure and eliminate the need for unreliable PST files.

You can empower your team with lightning-fast full-text searches for emails and attachments, accessible directly through Outlook or a web browser. Whether you use Microsoft 365, Google Workspace, or an on-premise Exchange server, the software integrates into your existing environment. It is specifically designed for small and medium-sized businesses looking for a reliable way to prevent data loss and simplify backup processes.

Overview

H

Hornetsecurity Features

  • Spam and Malware Protection Block 99.9% of all spam and malicious content with multi-stage filter systems that analyze incoming mail in real-time.
  • Advanced Threat Protection Defend your team against sophisticated CEO fraud and ransomware attacks using AI-based detection and sandboxing technology.
  • 365 Total Backup Automatically back up your entire Microsoft 365 environment, including Mail, Teams, OneDrive, and SharePoint, several times a day.
  • Security Awareness Training Turn your employees into a human firewall with fully automated phishing simulations and interactive training modules.
  • Email Encryption Secure your sensitive communications automatically with policy-based encryption that requires no manual intervention from your users.
  • Email Archiving Meet legal compliance requirements by automatically storing all incoming and outgoing emails in a tamper-proof, searchable archive.
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MailStore Features

  • Centralized Archiving. Copy all existing and future emails into a single, secure archive to prevent accidental or intentional data deletion.
  • Fast Full-Text Search. Find any email or attachment in seconds using an intuitive search interface that works directly within your Outlook ribbon.
  • Legal Compliance. Meet regulatory requirements like GDPR and HIPAA by maintaining tamper-proof email records with sophisticated auditing and retention policies.
  • Storage Optimization. Reduce your mail server storage requirements by up to 70% using advanced de-duplication and compression technologies.
  • Self-Service Access. Give your team the ability to restore their own deleted emails without ever needing to contact the IT helpdesk.
  • Flexible Deployment. Choose between an on-premise installation for total data sovereignty or a managed service through a certified provider.

Pricing Comparison

H

Hornetsecurity Pricing

M

MailStore Pricing

MailStore Server (5 Users)
$??
  • Permanent software license
  • Support for 5 user mailboxes
  • 1 year of Update Cover
  • Outlook and Web Access
  • Mobile device support
  • Full-text indexing

Pros & Cons

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Hornetsecurity

Pros

  • Seamless integration with Microsoft 365 environments
  • Highly effective spam and phishing detection rates
  • Centralized management console simplifies daily administration
  • Automated security awareness training saves HR time
  • Reliable backup and recovery for Teams and SharePoint

Cons

  • Initial configuration can be complex for beginners
  • Reporting interface feels dated to some users
  • Pricing is only available through partners or quotes
A

MailStore

Pros

  • Extremely fast search capabilities for large archives
  • Simple installation process with minimal configuration
  • Reliable performance even with massive data volumes
  • Significantly reduces mail server backup times
  • Excellent value for money compared to competitors

Cons

  • Interface feels slightly dated and utilitarian
  • Limited advanced reporting for administrative tasks
  • Requires Windows environment for the server installation
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