| Archiving | Status |
| Built-in SMTP server | + |
| STARTTLS support | + |
| tcp_wrappers support | + |
| Virus checking | + |
| Archiving rules | + |
| Retention rules | + |
| Attachment deduplication | + |
| Zlib compression | + |
| AES-256 encryption (Blowfish for legacy emails) | + |
| Digital signing and verification | + |
| Searching |
| Simple search | + |
| Advanced search | + |
| Save/load search criteria | + |
| Tagging emails | + |
| Adding notes to emails | + |
| View/export/restore of archived emails | + |
| Web interface |
| Access with a browser | + |
| AD/LDAP authentication | + |
| Single Sign-on | + |
| Google OAuth | + |
| IMAP authentication | + |
| POP3 authentication | + |
| 2 factor authentication (2FA) | + |
| Custom authentication hooks | + |
| Access control | + |
| i18n | + |
| Monitoring / Audit |
| Logging of events | + |
| Search the audit logs | + |
| Legal hold | + |
| Status info/chart | + |
| Alerts | - |
| Import / Export |
| Export to EML format | + |
| Import from PST, EML and mailbox format | + |
| Import from POP3/IMAP account | + |
