Choose the Right Edition
Both editions offer powerful email archiving. Choose based on your organization's needs and resources.
Piler is available in two editions: the Open Source Edition (free and community-supported) and the Enterprise Edition (with professional support and additional features). Both provide robust email archiving capabilities—choose the one that fits your organization best.
Enterprise Edition
Professional support, AI features, multi-tenancy, and more.
Feature Comparison
| Feature | Open Source | Enterprise |
|---|---|---|
| Archiving | ||
| Email archiving via SMTP | ✓ | ✓ |
| Google Apps & Office 365 ingestion | ✓ | ✓ |
| MS Teams archiving | — | ✓ |
| Import/export (EML, MBOX, IMAP, POP3) | ✓ | ✓ |
| AES-256 encryption | ✓ | ✓ |
| Deduplication & compression | ✓ | ✓ |
| Search | ||
| Full-text search | ✓ | ✓ |
| Semantic (AI-powered) search | — | ✓ |
| Compliance & Governance | ||
| Retention & exclusion rules | ✓ | ✓ |
| Legal hold & audit logs | ✓ | ✓ |
| eDiscovery support | — | ✓ |
| Smart Insights (sensitive data detection) | — | ✓ |
| SIEM integration | — | ✓ |
| Authentication | ||
| AD/LDAP, Google OAuth2, 2FA | ✓ | ✓ |
| NTLM/Kerberos SSO | ✓ | — |
| SAML 2.0 (Azure AD, Google Workspace) | — | ✓ |
| OAuth2 SSO (Azure AD, Google Workspace) | — | ✓ |
| Passkeys (WebAuthn) | — | ✓ |
| Infrastructure | ||
| Single-server deployment | ✓ | ✓ |
| Multi-node scale-out | — | ✓ |
| S3 object storage | — | ✓ |
| Multi-tenancy | — | ✓ |
| Management & Visibility | ||
| REST API | — | ✓ |
| Analytics dashboard | — | ✓ |
| Permission profiles | — | ✓ |
| Observability (logs, metrics, traces) | — | ✓ |
| Support | ||
| Community forums & documentation | ✓ | ✓ |
| Professional support with guaranteed response times | — | ✓ |
| Implementation & onboarding assistance | — | ✓ |
| Custom development | — | ✓ |
Built for Regulatory Compliance
Both editions support key compliance requirements. The Enterprise Edition adds deeper tooling for regulated industries.
Retention policies, data subject access, audit trails
Tamper-proof archiving, legal hold, audit logs
Encryption at rest, access controls, audit trails
Communications archiving, eDiscovery, retention rules
Deployment Options
Deploy the way that fits your infrastructure — from a single server to a multi-tenant managed service.
One server handles archiving, search, and the web UI. Ideal for small to mid-size organizations.
Distribute load across multiple nodes with S3 object storage for high-volume or high-availability deployments.
Serve multiple independent organizations from one installation — ideal for managed service providers and cloud offerings.
Which Edition Is Right for You?
Choose Open Source if you:
- Have in-house technical expertise
- Want full control over your infrastructure
- Prefer community-driven development
- Need to minimize costs
- Want to customize and extend the platform
- Are comfortable with self-support
Choose Enterprise if you:
- Need professional support and SLAs
- Want AI-powered email intelligence features
- Operate in a regulated industry (finance, healthcare, legal)
- Are an MSP providing archiving to multiple clients
- Need high-availability or large-scale deployments
- Require implementation assistance and training