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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 2012 R2, 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

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Taiwan
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Tanzania
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Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
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Uruguay
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Contact Us

Select your Country
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antarctica
Antigua and Barbuda
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia and Herzegovina
Botswana
Bouvet Island
Brazil
British Indian Ocean Territory
Brunei Darussalam
Bulgaria
Burkina Faso
Burundi
Cambodia
Cameroon
Canada
Cape Verde
Cayman Islands
Central African Republic
Chad
Chile
China
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Democratic Republic of the Congo
Cook Islands
Costa Rica
Cote D`Ivoire (Ivory Coast)
Croatia
Cuba
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Ethiopia
Falkland Islands (Malvinas)
Faroe Islands
Fiji
Finland
France
French Guiana
French Polynesia
French Southern Territories
Gabon
Gambia
Georgia
Germany
Ghana
Gibraltar
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guinea
Guinea-Bissau
Guyana
Haiti
Heard and McDonald Islands
Holy See (Vatican City State)
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Jamaica
Japan
Jordan
Kazakhstan
Kenya
Kiribati
North Korea
South Korea
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macau
Macedonia
Madagascar
Malawi
Malaysia
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Mexico
Micronesia
Moldova
Monaco
Mongolia
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
Netherlands
Netherlands Antilles
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Palestinian territories
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn
Poland
Portugal
Puerto Rico
Qatar
Reunion
Romania
Russian Federation
Rwanda
Saint Helena
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent & the Grenadines
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Singapore
Slovak Republic
Slovenia
Solomon Islands
Somalia
South Africa
South Georgia and the South Sandwich Islands
Spain
Sri Lanka
Sudan
Suriname
Svalbard & Jan Mayen Islands
Swaziland
Sweden
Switzerland
Syrian
Taiwan
Tajikistan
Tanzania
Thailand
Timor-Leste
Togo
Tokelau
Tonga
Trinidad and Tobago
Tunisia
Turkey
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda
Ukraine
United Arab Emirates
United Kingdom
United States
US Minor Outlying Islands
Uruguay
Uzbekistan
Vanuatu
Venezuela
Vietnam
Virgin Islands, British
Virgin Islands (U.S.)
Wallis and Futuna
Western Sahara
Yemen
Zambia
Zimbabwe
Montenegro