The domain referred to in all the Connect XF documents is the mailing domain. For example gmail.com is a mailing domain and so is mithi.com.
Internet/Intranet mail server
This refers to a Connect XF installation, where the domains are hosted on a single server that can be accessed from the Internet and Intranet. All the services of Connect XF run from this single server.
In a typical two server installation, a Connect XF in the DMZ sends and receives mail to and from other servers hosting other domains. This is called a relay server. Typically this server is also configured for e-mail security by enabling spam check, etc.
In a typical two server installation, a server in the trusted zone is used to host the users’ e-mail boxes. This server is called the Mail Server.
This refers to the creation of accounts.
Active Directory Server. Connect XF has a built-in directory based on OpenLDAP. However, it can be configured to use ADS as the central directory.
The Graphical User Interface for the administrative console used to manage the domains, etc.
The Web client that can provide any time any where access for e-mail, calendar and address books.
Applications such as Thunderbird, Neos, etc that are installed on desktops and that access the user accounts using standard protocols.
Class of service specifies the default behavior of the user. The user inherits all the properties set in the COS.
Command line interface.
The administrator can manage Connect XF by setting properties which control the system behavior for entities such as Domain, User, Distribution Lists, Roles, User Class of Service.
Standard protocols to access e-mail.
Simple Mail Transfer Protocol (SMTP) is a standard protocol to send an e-mail.
Lightweight Directory Access Protocol (LDAP) is a standard protocol for querying and modifying the data using the directory services.
Extensible Messaging and Presence Protocol (XMPP) is a standard protocol for exchanging instant messages.
Tar is a Linux specific term for compressing files.