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114  Glossary Getting Started Guide
Internet Information
Services
A set of Internet-based services created by Microsoft
Corporation for internet servers.
IMAP
See Internet Message Access Protocol
Internet Message
Access Protocol
One of the two most commonly used Internet standard
protocols for e-mail retrieval, the other being POP3.
LDAP
See Lightweight Directory Access Protocol
Lightweight Directory
Access Protocol
An application protocol used to query and modify
directory services running over TCP/IP
List server
A server that distributes emails sent to discussions lists
and newsletter lists, and manages subscription requests.
Mail Exchange
The DNS record used to identify the IP addresses of the
domain‟s mail servers.
MAPI
See Messaging Application Programming Interface
MDAC
See Microsoft Data Access Components
Messaging Application
Programming Interface
A messaging architecture and a Component Object
Model based API for Microsoft Exchange.
Microsoft Message
Queuing Services
A message queue implementation for Windows Server
operating systems.
Microsoft Data Access
Components
A Microsoft technology that gives developers a
homogeneous and consistent way of developing
software that can access almost any data store.
MIME
See Multipurpose Internet Mail Extensions
MSMQ
See Microsoft Message Queuing Services
Multipurpose Internet
Mail Extensions
A standard that extends the format of e-mail to support
text other than ASCII, non-text attachments, message
bodies with multiple parts and header information in non-
ASCII character sets.
NDR
See Non Delivery Report
Non Delivery Report
An automated electronic mail message sent to the
sender on an email delivery problem.
Perimeter
server/gateway
The computer (server) in a LAN that is directly
connected to an external network. In GFI MailEssentials
perimeter gateway refers to the email servers within the
company that first receive email from external domains.
Phishing
The process of acquiring sensitive personal information
with the aim of defrauding individuals, typically through
the use of fake communications
POP2Exchange
A system that collects email messages from POP3
mailboxes and routes them to mail server.
POP3
See Post Office Protocol ver.3
Post Office Protocol
ver.3
A protocol used by local email clients to retrieve emails
from mailboxes over a TCP/IP connection.
Public folder
A common folder that allows Microsoft Exchange user to
share information.
Quarantine
A database where all inbound emails detected as spam
are retained for a number of days
RBL
See Realtime Blocklist
Realtime Blocklist
Online databases of spam IP addresses. Incoming
emails are compared to these lists to determine if they
are originating from blocked users.