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Technical specification

  • Dashboard
  • WebDocuments
  • Conferencing
  • Central API
  • Google Chrome 112+
  • Firefox 114+
  • Safari 16+
  • Opera 104+
  • Microsoft Edge 112+
  • SMTP/ESMTP support
  • IMAPv4 - PUSH via IDLE support
  • IMAP ACL, public folders implemented
  • SASL authentication framework
  • Active Directory / LDAP support
  • Automatic Message Archiving
  • Smart Attachment handling
  • IMAP/POP3 Migration Tool
  • List server
  • Remote accounts
  • System, user, domain-based rules & filters
  • ETRN and ATRN support
  • Header/Footer customization
  • IDN support
  • Multi Tenant Architecture
  • Advanced configuration
  • Pool management
  • Two-Factor Authentication
  • CalDAV Support (OSX Calendar app native and alternative clients support)
  • Private and Public sharing
  • CardDAV support (OSX Address Book app native and alternative clients support)
  • Access List Management (ACL)
  • File Sharing (GroupDAV and WebDAV)
  • Global Address List (GAL) compatible with Active Directory / LDAP
  • Calendar Scheduling (iMIP)
  • Documents Management System (Locking files and Versioning)
  • Web folders (Windows, Linux and Mac)
  • Online preview of documents
  • Web-based private and public chat
  • Stored in GroupWare database (SQLite not supported)
  • iMIP meeting scheduling in room's member group
  • WebRTC audio conferencing and screen sharing
  • Guest access and member management
  • ACL rights for user access and moderation
  • SSL security and virus scanning of uploaded files
  • SNMPv2c
  • Unicode (UTF-8) storage
  • SSL/TLS support
  • Authorization schemes SHA1/MD5/Digest MD5/CRAM-MD5/NTLM
  • Kerberos / Single Sign-On (SSO), GSSAPI
  • Minger protocol connecting users on multiple servers (email, IM, VoIP)
  • Application Layer (API)
  • Control panel support (Windows – Parallels Plesk 11.5, Hosting Controller HC9, WebSitePanel 2.0)
  • SNI support
  • Remote administration – RCP (SSL)
  • MySQL (recommended), MS SQL
  • Database Migration tool
  • SQLite - limited functionality
  • DNS Tool, Domain Info, Server Diagnostics
  • Automatic Backup (settings, databases, mails)
  • Server monitoring & Watchdog
  • Logging (summary, debug, extended)
  • IPv4 and IPv6 support
  • TLS, SSL (FTPS)
  • IPv6 Support
  • XMD5, Compression, many RFC extensions
  • Directory aliases, logging
  • Two way folder synchronization
  • Outlook compatible
  • OTP/S-KEY
  • Latest SpamAssassin engine
  • Auto-learning Bayesian filters
  • Real-time Pattern Detection service
  • DNSBL and SURBL
  • POP3/IMAP Intrusion Prevention
  • Adaptive Greylisting
  • DomainKeys Identified Mail (DKIM)
  • Razor2
  • Charset filtering
  • User Black and White lists
  • Zero hour virus outbreak protection (Anti-Spam LIVE)
  • SPF with SRS support
  • Internal Anti-Virus
  • Monitors IMAP APPEND, GroupWare, FTP uploads
  • Reject, remove, clean
  • Scans files sent over SMTP, IM, SOCKS, HTTP Proxy
  • Automatic updates
  • Quarantine
  • SIP Proxy, SIP Gateways
  • NAT Traversal
  • Call Forwarding, Pickup, Redial
  • Hunt Groups, Circular Hunting
  • E164 – telephone mapping
  • NAPTR and SRV
  • NAPTR and SRV
  • DTMF Signaling
  • SIP SIMPLE Messaging
  • Echo Service
  • Interactive Voice Response (IVR) builder
  • Call Recording
  • Voicemail to Email
  • Voice Conferencing
  • Video Conferencing (using any SW client or HW that supports it)
  • WebRTC one-to-one video calls
  • WebRTC Audio conferencing
  • WebRTC Screensharing
  • WebRTC client available in any browser
  • Jitter buffer for multiplexing audio streams
  • Up to 200 call participants
  • Audio recording to Server Files folder
  • Mute/unmute/invite/dismiss attendees features
  • Organizers, moderators, external participants
  • WebIM integration
  • iMIP meeting scheduling
  • Application Selection
  • Switch to Full Screen
  • Jabber & XMPP
  • SOCKS File Transfer Proxy
  • SASL Authentication Framework
  • SRV NAPTR
  • Archive and history
  • Presence logging
  • Auto domain/group generated rosters
  • Multiple gateways (HTTP and Modem)
  • USB / COM general AT command modems
  • Templates for major SMS providers
  • Email and WebClient integration
  • Sending limits
  • Outgoing rules
  • Incoming rules
  • Unicode, Binary and ASCII charsets
  • Bidirectional HTTP API
  • Message queue
  • Bounce backs
  • SMS-to-Email
  • Email-to-SMS
  • EAS version 16.0, 16.1
  • Mail, Contacts, Calendars, Tasks, Notes
  • Subfolders, shared, public and archive folders
  • Folder management
  • AutoDiscover
  • Remote Wipe
  • DirectPush support
  • Global address List Lookup
  • Out-of-Office support
  • Flags Synchronization
  • Device Management (Security, Synchronization & Feature Control Policies)
  • iOS Secure Messaging
  • Windows 8 and 11 Mail/People/Calendar native support
  • Outlook Sync for groupware synchronization
  • Server Search integration
  • Security policies
  • ABQ (Allow/Block/Quarantine) Rules
  • Soft Wipe - Selective Remote Wipe
  • SMS Sync
  • Categories/tags support

Our global datacenter locations

Enjoy unlimited data transfer per user every day.

TTC Teleport DC2 - Prague, Czech Republic

  • Tier III, PCI DSS compliant
  • ISO 9001, 14001, 20000, 27001

Coretech - Reston, VA, United States

  • PCI DSS compliant, HIPAA compliant
  • ISO 27001, SOC 1 Type 2, SOC 2 Type 2

Hetzner Online - Nurnberg, Germany

  • ISO 27001

Multiwire - Cuneo, Italy

  • Tier III compliant

IceWarp Middle East - Manama, Bahrain

JNB.ZA - Johannesburg, JAR

  • Data Centre - ICTGlobe
  • Tier 3 certification

Yotta - Mumbai, India

  • Yotta NM1: Top Data Center near the Mumbai region - Maharashtra
  • The datacenter should have Tier 4 (TCDD) certification
  • Dashboard
  • WebDocuments
  • Conferencing
  • Central API
  • Google Chrome 112+
  • Firefox 114+
  • Safari 16+
  • Opera 104+
  • Microsoft Edge 112+
  • SMTP/ESMTP support
  • IMAPv4 - PUSH via IDLE support
  • IMAP ACL, public folders implemented
  • SASL authentication framework
  • Active Directory / LDAP support
  • Automatic Message Archiving
  • Smart Attachment handling
  • IMAP/POP3 Migration Tool
  • List server
  • Remote accounts
  • System, user, domain-based rules & filters
  • ETRN and ATRN support
  • Header/Footer customization
  • IDN support
  • Multi Tenant Architecture
  • Advanced configuration
  • Pool management
  • Two-Factor Authentication
  • CalDAV Support (OSX Calendar app native and alternative clients support)
  • Private and Public sharing
  • CardDAV support (OSX Address Book app native and alternative clients support)
  • Access List Management (ACL)
  • File Sharing (GroupDAV and WebDAV)
  • Global Address List (GAL) compatible with Active Directory / LDAP
  • Calendar Scheduling (iMIP)
  • Documents Management System (Locking files and Versioning)
  • Web folders (Windows, Linux and Mac)
  • Online preview of documents
  • Web-based private and public chat
  • Stored in GroupWare database (SQLite not supported)
  • iMIP meeting scheduling in room's member group
  • WebRTC audio conferencing and screen sharing
  • Guest access and member management
  • ACL rights for user access and moderation
  • SSL security and virus scanning of uploaded files
  • SNMPv2c
  • Unicode (UTF-8) storage
  • SSL/TLS support
  • Authorization schemes SHA1/MD5/Digest MD5/CRAM-MD5/NTLM
  • Kerberos / Single Sign-On (SSO), GSSAPI
  • Minger protocol connecting users on multiple servers (email, IM, VoIP)
  • Application Layer (API)
  • Control panel support (Windows – Parallels Plesk 11.5, Hosting Controller HC9, WebSitePanel 2.0)
  • SNI support
  • Remote administration – RCP (SSL)
  • MySQL (recommended), MS SQL
  • Database Migration tool
  • SQLite - limited functionality
  • DNS Tool, Domain Info, Server Diagnostics
  • Automatic Backup (settings, databases, mails)
  • Server monitoring & Watchdog
  • Logging (summary, debug, extended)
  • IPv4 and IPv6 support
  • TLS, SSL (FTPS)
  • IPv6 Support
  • XMD5, Compression, many RFC extensions
  • Directory aliases, logging
  • Two way folder synchronization
  • Outlook compatible
  • OTP/S-KEY
  • Latest SpamAssassin engine
  • Auto-learning Bayesian filters
  • Real-time Pattern Detection service
  • DNSBL and SURBL
  • POP3/IMAP Intrusion Prevention
  • Adaptive Greylisting
  • DomainKeys Identified Mail (DKIM)
  • Razor2
  • Charset filtering
  • User Black and White lists
  • Zero hour virus outbreak protection (Anti-Spam LIVE)
  • SPF with SRS support
  • Internal Anti-Virus
  • Monitors IMAP APPEND, GroupWare, FTP uploads
  • Reject, remove, clean
  • Scans files sent over SMTP, IM, SOCKS, HTTP Proxy
  • Automatic updates
  • Quarantine
  • SIP Proxy, SIP Gateways
  • NAT Traversal
  • Call Forwarding, Pickup, Redial
  • Hunt Groups, Circular Hunting
  • E164 – telephone mapping
  • NAPTR and SRV
  • NAPTR and SRV
  • DTMF Signaling
  • SIP SIMPLE Messaging
  • Echo Service
  • Interactive Voice Response (IVR) builder
  • Call Recording
  • Voicemail to Email
  • Voice Conferencing
  • Video Conferencing (using any SW client or HW that supports it)
  • WebRTC one-to-one video calls
  • WebRTC Audio conferencing
  • WebRTC Screensharing
  • WebRTC client available in any browser
  • Jitter buffer for multiplexing audio streams
  • Up to 200 call participants
  • Audio recording to Server Files folder
  • Mute/unmute/invite/dismiss attendees features
  • Organizers, moderators, external participants
  • WebIM integration
  • iMIP meeting scheduling
  • Application Selection
  • Switch to Full Screen
  • Jabber & XMPP
  • SOCKS File Transfer Proxy
  • SASL Authentication Framework
  • SRV NAPTR
  • Archive and history
  • Presence logging
  • Auto domain/group generated rosters
  • Multiple gateways (HTTP and Modem)
  • USB / COM general AT command modems
  • Templates for major SMS providers
  • Email and WebClient integration
  • Sending limits
  • Outgoing rules
  • Incoming rules
  • Unicode, Binary and ASCII charsets
  • Bidirectional HTTP API
  • Message queue
  • Bounce backs
  • SMS-to-Email
  • Email-to-SMS
  • EAS version 16.0, 16.1
  • Mail, Contacts, Calendars, Tasks, Notes
  • Subfolders, shared, public and archive folders
  • Folder management
  • AutoDiscover
  • Remote Wipe
  • DirectPush support
  • Global address List Lookup
  • Out-of-Office support
  • Flags Synchronization
  • Device Management (Security, Synchronization & Feature Control Policies)
  • iOS Secure Messaging
  • Windows 8 and 11 Mail/People/Calendar native support
  • Outlook Sync for groupware synchronization
  • Server Search integration
  • Security policies
  • ABQ (Allow/Block/Quarantine) Rules
  • Soft Wipe - Selective Remote Wipe
  • SMS Sync
  • Categories/tags support

Hardware sizing tool

Get personalized hardware recommendations. Select your team size to calculate the ideal server, database, and storage setup.

IceWarp server

Hosts the core IceWarp services.

Runs on a single machine or scale across multiple nodes for larger deployments.

4 CPU

8 RAM

50 GB Storage*

Supported operating system: Microsoft Windows Server 2016, newer Rocky Linux 9 and 8, Alma Linux 9 or RHEL 9

* Admins manage storage space, but each user must have at least 2GB of storage.

Database server

Stores users, calendars, contacts, TeamChat data, and system metadata.

Handles application data and cache management.

2 CPU

4 RAM

50 GB Storage*

Supported databases: MariaDB 10.5 and newer, MySQL 8.0 and newer

* Admins manage storage space, but each user must have at least 2GB of storage.

Yoda Full-text Search

Indexes emails and files for fast search.

Index size is typically about 15% of the stored data.

N/A CPU

N/A RAM

20% GB Storage*

Available: VMware, Hyper-V and Docker version

* Admins manage storage space, but each user must have at least 2GB of storage.

No high availability (HA) is considered in the above sizing.

Resources consumption depends on user behavior pattern. The values above reflect average user sizing and should be adjusted based on expected usage and data volume.

The SSD size for IW APP is intended solely for OS, configuration, and log files. Email and file data are excluded.