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Technical Specification

  • 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)
  • CardDAV support (OSX Address Book app native and alternative clients support)
  • File Sharing (GroupDAV and WebDAV)
  • Calendar Scheduling (iMIP)
  • Web folders (Windows, Linux and Mac)
  • Private and Public sharing
  • Access List Management (ACL)
  • Global Address List (GAL) compatible with Active Directory / LDAP
  • Documents Management System (Locking files and Versioning)
  • 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
  • Remote administration – RCP (SSL)
  • MySQL (recommended), MS SQL, Oracle, Firebird
  • Database Migration tool
  • SQLite - limited functionality
  • Database Migration tool
  • DNS Tool, Domain Info, Server Diagnostics
  • Automatic Backup (settings, databases, mails)
  • Server monitoring & Watchdog
  • Logging (summary, debug, extended)
  • IPv4 and IPv6 support
  • 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
  • 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
  • Scans files sent over SMTP, IM, SOCKS, HTTP Proxy
  • Monitors IMAP APPEND, GroupWare, FTP uploads
  • Automatic updates
  • Reject, remove, clean
  • 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 2.5, 12.0, 12.1, 14.0, 14.1, 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 10 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

Cloud tech spec

Our customers are not limited by data transfer per user per day. You can also check our datacenters bellow:

USA

Czech Republic

Germany

Italy

Bahrain

Coretech - Reston, VA, United States

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

On-premises tech spec

Supported operating systems:

  • Microsoft Windows Server 2016, 2019 and 2022
  • CentOS 7.0, 7.5 and 8.1

Hardware Requirements

1-50 10GB

CPU 1,5 GHz, 4 GB RAM, MySQL DB

51-500 100GB

CPU 2.0 GHz, 6 GB RAM, MySQL DB

501-2000 1TB

CPU 3.0 GHz, 8 GB RAM, MySQL, RAID 1 OS, RAID 5 DATA

2001+ 2TB

Multi-CPU 3GHz+, RAM 16GB+, dedicated DB server (MySQL, MS SQL, Oracle), dedicated storage server (SAN, Fast iSCSI or DAS with 15k RPM SAS drives), RAID1 or RAID10

Compatibility of Client’s Apps

WebClient

  • Google Chrome 37+, Firefox 23+, Microsoft Edge 80+, Opera 25+, Internet Explorer 11, Safari 14+

Outlook Sync

  • Microsoft Outlook 2013, 2016, and 2019 (32bit or 64bit)
  • Microsoft .NET Framework 3.5.1 and higher

Desktop Client

  • Microsoft .NET Framework 3.5.1 and higher