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| Feature | MailBox Only | Free | Starter | Professional | Enterprise |
|---|---|---|---|---|---|
| Seat & size limits | |||||
| Mailboxes / users per workspace | 500 | 5 | 1000 | 2500 | Unlimited |
| Verified custom domains per tenant | 1 | 1 | 2 | 5 | 10 |
| Aliases per mailbox | 1 | - | 2 | 5 | 10 |
| Storage & throughput | |||||
| Mailbox storage | 512 MB | 512 MB | 5 GB | 15 GB | 50 GB |
| Attachment size per message | 10 MB | 25 MB | 50 MB | 50 MB | 50 MB |
| Attachments per message | 5 | 5 | 10 | Unlimited | Unlimited |
| Outbound send rate | 50 / day | 50 / day | 200 / day | 500 / day | 1000 / day |
| Papyrus attachment storage | Not available | 512 MB | 1 GB | 5 GB | 10 GB |
| Mail features | |||||
| Quarantine self-release | Not available | ||||
| Server-side rules / filters | |||||
| Signatures per user | 1 | 1 | 5 | 5 | 10 |
| Scheduled send | |||||
| Snooze | - | ||||
| Veritas AI | no / month | no / month | 1M / month | 2M / month | 3M / month |
| Vacation responder | - | ||||
| IMAP / SMTP / CalDAV access | - | ||||
| Calendar & booking | |||||
| Shared / resource calendars | - | - | 1 | 5 | Not available |
| Booking pages per workspace | - | 1 | 5 | 10 | 15 |
| Multi-service booking pages | - | 5 | 10 | 15 | |
| Papyrus (notes + Kanban) | |||||
| Boards per user | - | 1 | 5 | 25 | 50 |
| Cards per board | - | 50 | 50 | 75 | 100 |
| File attachments on cards | - | ||||
| Activity feed retention | - | 30 days | 90 days | 360 days | 360 days |
| Admin & compliance | |||||
| Audit log retention | - | 30 days | 90 days | 360 days | 360 days |
| Audit log export | - | ||||
| Legal hold on mailboxes | |||||
| Forced 2FA / SSO requirement | - | - | |||
| IP allowlist for admin console | - | - | - | ||
| Identity & authentication | |||||
| SSO via SAML / OIDC | - | - | |||
| SCIM provisioning | - | - | |||
| Active Directory / LDAP sync | - | - | |||
| Google Workspace migration | - | ||||
| API tokens per user | - | 1 | 1 | 5 | 10 |
| Service accounts (M2M) | - | - | 2 | 5 | 10 |
| Branding & customization | |||||
| Custom workspace logo | - | - | - | ||
| Branded transactional sender | - | - | - | ||
| Reliability & support | |||||
| Support tier | All channels | All channels | |||
| Uptime SLA | 99.9% | 99.9% | 99.95% | 99.99% | 99.99% |
| Multi-region / data residency | - | - | |||
| Anti-abuse posture | |||||
| Turnstile / captcha on signin | |||||
| Login anomaly alerts | - | ||||
| Compromised-credential alerts | - | ||||