outdialingA process in which Unified Messaging (UM) dials or transfers calls. Unified Messaging generally receives calls, but sometimes dials calls.
Outlook AnywhereA feature that makes it possible for a user to access their Exchange Server mailbox from any workstation using the full Outlook client, regardless of the…
Outlook E-Mail PostmarkA computational proof that Outlook applies to outgoing messages to help recipient messaging systems distinguish legitimate e-mail from junk e-mail.
Outlook Voice AccessA feature that allows a Unified Messaging-enabled user to access their Microsoft Exchange Server mailbox over the telephone.
Outlook Web Access LightA lightweight version of Outlook Web Access optimized for accessibility and compatibility with the widest array of browsers and operating systems.
Outlook Web Access Web PartA piece of the user interface (UI) in Outlook Web Access that can be hosted in iframes as part of other Web applications such as SharePoint Portal Server…
Outside Line Access CodeThe prefix that is used to access an outside line. This prefix is typically 9. [Exchange 2007]
PBX (Private Branch eXchange)A private telephone network in an organization. Individual telephone numbers or extension numbers are supported, and calls are automatically routed to…
perimeter networkAn Internet Protocol (IP) network segment that contains resources, such as Web servers and virtual private network (VPN) servers, that are available to…
PhishingWhen internet fraudsters impersonate a business in an attempt to trick you into giving out your personal information, such as usernames, passwords, and…
phishing confidence levelA property of each e-mail message that the Office Outlook 2003 Junk E-mail Filter stamps as a property on the message when it is processed in the Outlook…
Pickup directoryA directory that receives RFC-822 compliant files from the file system for the purpose of creating message objects that can be passed to the Submission…
pilot identifierThe string that is received with a new call that is used to associate the call with a dial plan. [Exchange 2007]
pilot numberA telephone number that points to a hunt group and is the access number for calls that are routed to Unified Messaging servers.
PINNoncancerous growth of cells lining the internal and external surfaces of the prostate gland.
pipeA circular conduit constructed of any one of a number of materials that conveys water by gravity or under pressure.
pipe, toSame as "to pipeline": In the Microsoft Exchange Management Shell, the act of one cmdlet using the output of another cmdlet when it performs an operation.
pipeliningIn the Exchange Management Shell, one or more chained commands that are separated by the pipeline operator.
PKI (public key infrastructure)The laws, policies, standards, and software that regulate or manipulate certificates and public and private keys.
Play on PhoneA Unified Messaging feature that users can use to play their voice messages or play and record personalized voice mail greetings, over a telephone.
poison message queueA persistent queue that isolates messages that are detected as potentially fatal to an Exchange Server 2007 server. This queue is typically empty.
poison queueQueue to isolate messages that are detected as potentially harmful to the Exchange 2007 system after a server failure.
predicateIn Exchange Server 2007, a function that is used as a condition or exception on a transport rule to determine whether an action should be applied to an…
priority queuingA feature of Exchange Server 2007 Service Pack 1 (SP1) that enables the sender-defined priority of a message to influence the processing of the message by…
promptAn audio message played over the telephone to explain valid options to users. [Exchange 2007]
prompt publishing pointA file share where storage space is available for Unified Messaging custom prompts. Each dial plan has only one prompt publishing point.
property setA property set is a grouping of Active Directory attributes. You can control access to this grouping of Active Directory attributes by setting one access…
Protocol Analysis agentThe underlying agent that is used by the Sender Reputation feature in Exchange Server 2007.
public folderA folder that coworkers can use to share a wide range of information, such as project and work information, discussions about a general subject, and…
public folder databaseA database that stores public folders, indexes their contents, and assists in the replication of the folders with other Exchange servers.
public folder distributionThe distribution method by which Outlook 2003 or earlier clients that are working offline or through a dial-up connection access the offline address book…
public keyAn encryption key associated with a Notes ID that is used to verify an electronic signature, encrypt a message, or identify an authenticating user.
queueA system where if a realm is overloaded, subsequent players trying to log on will be queued up in a first come first serve basis and allowed to log on…
Queue ViewerA tool in the Exchange Management Console that helps administrators monitor and manage messaging queues and the messages that are contained in those…
quota messageAn e-mail message that is automatically sent by Microsoft Exchange to the owners of a mailbox or a public folder when a size limit, which is called a…
RBL (real-time block list)A database of Internet Protocol (IP) addresses of sources that have been verified as being unsolicited commercial e-mail (also known as spam).
Receive connectorA connector that is used to receive mail from remote mail systems based on administrator-defined address spaces.
recipientAn Active Directory object that is mail-enabled, mailbox-enabled, or that can receive e-mail messages.
Recipient Block listAn administrator-defined list of recipients for which mail coming in from the Internet should never be accepted. [Exchange 2007]
remote delivery queueA group of temporary queues that hold messages that are being delivered to a remote destination by using SMTP.
remote device wipeA technology that enables the Exchange server to set a mobile device to erase all data the next time the device connects to the Exchange server.
Replay SuspendOne of four health states of a storage group copy. Replay Suspend indicates that an administrator has temporarily halted log replay. [Exchange 2007]
replica seederAlso known as seeder, the replica seeder is an internal component that is responsible for seeding the passive copy for storage groups that are enabled for…
Replication IDA 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number.
Resource Booking AttendantA calendaring feature that automatically manages resources. Resource requests are automatically accepted or denied depending on availability and policies.
Resource mailboxA mailbox that is associated with a resource instead of a user (such as a conference room for reservation purposes). In Exchange 5.
RFC (Request for Comments)An official document of the Internet Engineering Task Force (IETF) that specifies the details for protocols included in the TCP/IP family. [Exchange 2007]
room mailboxA room mailbox is a type of resource mailbox that is assigned to a meeting location such as a conference room, auditorium, or training room.
round robinA simple mechanism used by DNS servers to share and distribute loads for network resources.
routing groupA collection of Servers running Exchange 2000 that can transfer messaging data to one another in a single-hop without going through a bridgehead.
routing group connectorAn SMTP connector that is required for mail to flow between Exchange routing groups.
RSG (recovery storage group)A special storage group that enables you to mount a mailbox database, extract data from the mounted database, and then either copy the extracted data to a…
RTAudioAn advanced speech codec that is designed for real-time two-way Voice over IP (VoIP) applications such as gaming, audio conferencing, and wireless…
Rulean authoritative direction for conduct or procedure.
rule collectionAn ordered set of rules for the purpose of implementing a messaging policy. The number of rule collections is set at design time. [Exchange 2007]
safe list collectionThe combined data from an Office Outlook user's Safe Senders List, Safe Recipients List, Blocked Senders List, and external contacts, that is stored in…
Safe Recipients ListA list that includes the e-mail addresses of mailing lists for which you want to be a recipient.
Safe Senders ListA list of domain names and e-mail addresses that you want to receive messages from.
safelist aggregationA set of anti-spam functionality that is shared across Microsoft Office Outlook and Exchange Server 2007.
SCC (single copy cluster)A single copy cluster is a clustered Exchange deployment that uses shared storage and can have multiple active and passive servers (referred to as nodes)…
Scheduling AssistantAn Outlook and Outlook Web Access feature that automatically suggests the best meeting times for a given a group of attendees, allowing users to schedule…
SCL (spam confidence level)The normalized value that is assigned to an e-mail message. This value indicates, based on the characteristics of the message, such as the content…
SCR (standby continuous replication)Standby continuous replication (SCR) is a new feature introduced in Microsoft Exchange Server 2007 Service Pack 1 (SP1).
SCW (Security Configuration Wizard)A tool that automates security best practices to reduce the attack surface for a server. The SCW was introduced with Windows Server 2003 Service Pack 1.
seedingSeeding is the process in which a database, either a blank database or a copy of the production database, is added to the storage group copy.
Send connectorA connector used to send mail to remote mail systems based on administrator-defined address spaces.
sender reputationAnti-spam functionality that is enabled on computers that have the Edge Transport server role installed to block messages according to characteristics of…
server roleIn Exchange 2007, a server role is a logical grouping of features and services that allow you to complete a specific set of tasks.
smart hostA designated server through which Exchange routes all outgoing messages. The smart host then makes the remote connection.
SMTP connectorA software component that represents a logical path between a source and a destination for the purpose of transmitting Simple Mail Transfer Protocol…
soft deleteThe process of moving an item to the Deleted Items folder.
SourceAny place or object from which air pollutants are released. Sources that are fixed in space are stationary sources and sources that move are mobile…
SOX (Sarbanes-Oxley Act of 2002)A U.S. federal law that requires the preservation of records by certain exchange members, brokers, and dealers. [Exchange 2007]
SpamUnelicited emails in large quantities; rapidly repeated scrolling text.
SPF (sender policy framework)An extension of the SMTP protocol that prevents spammers from forging the From: fields in e-mail messages by verifying that the IP address in the SMTP…
split brain syndromeSplit brain syndrome occurs when all networks designated to carry internal cluster communications fail, and nodes cannot receive heartbeat signals from…
spoofed mailAn e-mail message whose sending address has been modified to appear as though it originates from a sender other than the actual sender of the message.
SpoofingSome market analysts maintain that the increased volatility in stock markets may be the result of an illegal practice known as spoofing, or phantom bids.
SSL (Secure Sockets Layer)A security protocol for the Internet and Intranets that provides communications privacy and authentication for IBM® Lotus® Domino™ server tasks that…
standby clusterA clustered solution containing one or more passive nodes that does not contain any clustered mailbox servers, but can be quickly provisioned with one in…
storage quotaA storage size limit for messages in a user mailbox or a public folder, based on the total size of the messages.
store driverA software component of the Hub Transport Server that delivers inbound messages to Exchange stores, the databases that contain public folder and mailbox…
store overrideIn Exchange Server 2007, a mechanism used by the store driver to indicate an alternative delivery destination for messages being routed to public folders…
Submission queueA persistent queue that is used by the categorizer in Exchange Server 2007 to gather all messages that have to be resolved, routed, and processed by…
subscriber access numberA number that is configured in a Private Branch eXchange (PBX) that allows a subscriber to access their Microsoft Exchange mailbox over the telephone.
system promptA short audio recording, installed on the Exchange Unified Messaging server, that is played to callers by the server.
TargetIn diagnostic tests, the molecule or nucleic acid sequence assayed in a sample.
tarpittingThe practice of artificially delaying server responses for specific SMTP communication patterns that indicate high volumes of spam or other unwelcome…
tarpitting intervalThe interval that is used to delay a response in a tarpitting scenario. [Exchange 2007]
TCP (Transmission Control Protocol)A protocol within TCP/IP that governs the breakup of data messages into packets to be sent by IP (Internet Protocol) and the reassembly and verification…
text-to-speechPertaining to technologies for converting textual (ASCII) information into synthetic speech output.
three-factor authenticationAn authentication method that requires three authentication methods, which may include something the user provides, such as certificates; something the…
TLS (Transport Layer Security)A protocol that provides communications privacy and security between two applications communicating over a network.
transaction log fileA file that contains a record of the changes that were made to an Exchange database.
transitionThese are where one type of bottom material or structure changes to another, for instance, a rock pile to solid rock, or sand to gravel.