Features (EN)

RackCorp UMS is feature-rich, made for multi-tenanted environments such as ISPs, Managed Service Providers, Governments, and multinationals who need to run multiple tenancies within a hosted environment.

Feature	Available / Description
Multi-domain	Unlimited domains allowed
Contacts	Unlimited Contacts allowed
Calendar	Unlimited Calendars allowed
Tasks	Unlimited Tasks allowed
Full-Text Search (including attachments)	Yes (v 1.3+)
Attachment Preview	Yes (Text, Images, some other)
POP/IMAP/SMTP Support	Yes (Encrypted versions of these protocols, optional to turn on unencrypted)
Deleted Items / Trash	Yes (default 30 days)
Granular account access control	Disable deleting / sending emails vs read-only access
Auto-responder	Yes
Server-side mail sort	Yes, using sieve mail filters (configurable from web)
Scalable	Active-active topology allows massive scaling
Fault Tolerance	Node auto-sync, multi-site, load balanced
Delivery notifications	Yes (where supported by recipient)
Global Address Book	Yes
CardDAV, CalDav, iCal Support	Yes, Yes, Yes!
LDAPS integration	Yes

Attachment / Spam Filtering

• Block attachments based on extension / type

• Anti-Spam

• Anti-Virus

• Greylisting

• Powerful admin spam hold / release functionality for large volumes of emails

Language Support

• English (EN)

• Russian (RU)

• Mongolian (MN)