ArcTitan is an email archiving solution that securely stores and allows easy access to emails for compliance and regulatory purposes.
Starting from $3.50/user/month
Best MailStore Server Alternatives ranked by AI · updated Aug 2026
MailStore Server is on-premises email archiving software for small and midsize organizations. It archives mail from common mail servers and services, with full-text search, retention controls, and user access to historical messages.
Top 6 MailStore Server alternatives
Cryoserver is an email archiving platform for organizations that need searchable, tamper-resistant retention of business email. It supports compliance workflows, legal discovery,...
Pros
- Supports on-premises deployment where organizations need direct control of archived mail
- Provides indexed search and export for compliance and legal discovery
- Typically avoids forcing organizations into a single public-cloud provider
Cons
- Smaller ecosystem and market presence than Microsoft Purview or Mimecast
- May require more infrastructure administration than cloud-native archives
- Public pricing and detailed feature comparisons are limited
Hornetsecurity Email Archiving is a cloud-based service for preserving and retrieving business email for compliance, continuity, and legal discovery. It supports centralized...
Pros
- Integrates with Microsoft 365 and common business email environments
- Cloud-based retention reduces the need to operate archive infrastructure
- Search and export capabilities support compliance and e-discovery workflows
Cons
- Public pricing is not readily available
- Less suitable than MailStore for organizations requiring a self-hosted archive
- Advanced compliance workflows may be less extensive than Proofpoint or Mimecast
Dropsuite Email Archiving is a cloud service that preserves, indexes, and enables retrieval of business email for Microsoft 365 and Google Workspace...
Pros
- Supports email archiving across Microsoft 365 and Google Workspace
- Designed for MSP multi-tenant management
- Combines retention, search, and recovery in a cloud service
Cons
- Public pricing is not clearly listed, making comparison harder
- Has less advanced compliance and supervision depth than Proofpoint or Mimecast
- Feature availability can depend on the service provider or reseller
Proofpoint Enterprise Archive offers intelligent archiving and e-discovery capabilities for organizations.
Pros
- Advanced e-discovery features
- Integration with threat intelligence
Cons
- Higher initial setup costs
- Requires training for full utilization
Contact for pricing
6
Microsoft Purview
Microsoft
Microsoft Purview provides email retention, records management, e-discovery, and compliance controls across Microsoft 365. It is designed for organizations already using Exchange...
Pros
- Deep integration with Exchange Online, Teams, SharePoint, and OneDrive
- Broader compliance and data-governance tooling than Cryoserver
- Strong role-based administration and legal-hold workflows
Cons
- Best value generally requires a broader Microsoft 365 licensing investment
- Administration is more complex than a dedicated archive appliance
- Less suitable for organizations avoiding the Microsoft cloud
Included with some Microsoft 365 plans; otherwise quote-based
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