MDB (message database)An instance of a database implemented in Exchange server. A single MDB is normally identified as being public or private depending on the type of data…
message dehydrationIn Exchange Server 2007, the removal of unnecessary elements, such as MIME content, from queued messages that are cached in memory.
message envelopeThe information contained in an e-mail message that is required to send and deliver a message between messaging servers by using SMTP protocol commands.
Message HeaderMessage headers generally contain the identities of the author and recipients, the subject of the message, and the date the message was sent.
message trackingThe tracking of events from the time a message enters an Edge Transport server or Hub Transport server to the time it leaves the any of the Edge Transport…
message-only journalingMessage-only journaling creates a copy of all messages and the corresponding P2 message header data to and from users on a mailbox database and sends the…
messaging profileA group of settings that provide Exchange with information about a client's configuration. [Exchange 5.5]
MetabaseA store that contains metadata such as that used by Internet Information Server IIS to obtain its configuration data.
Metabase update serviceA component in Exchange 2000 that reads data from Active Directory and transposes it into the local IIS metabase.
metadataMetadata is information about a particular data set which may describe, for example, how, when, and by whom it was received, created, accessed, and/or…
Microsoft Exchange Hosted ServicesA set of four distinct hosted services: Hosted Filtering, which helps organizations protect themselves from e-mail-borne malware; Hosted Archive, which…
Microsoft Exchange Mailbox AssistantsThe process that runs on a Mailbox server and performs background processing of mailboxes in the Exchange store. [Exchange 2007]
Microsoft Exchange Troubleshooting AssistantA Microsoft Exchange tool that is used to automatically determine what set of data is required to troubleshoot symptoms that are identified.
Microsoft Mail ConnectorAn Exchange component that provides connectivity to Microsoft Mail for PC Networks gateways and Microsoft Mail for AppleTalk Networks (also known as…
Microsoft Outlook Web AccessInteract with the ActiveX Server function built into Microsoft Internet Information Server.
MIME (Multipurpose Internet Mail Extensions)An Internet standard that allows different forms of data including video, audio, or binary data to be attached to e-mail without requiring translation…
missed call notificationAn e-mail message that is sent to a Unified Messaging subscriber that indicates that someone called but did not leave a message. [Exchange 2007]
mixed modeThe default operating mode of Exchange when it is installed. Mixed mode allows Exchange 2003 and Exchange 2000 servers and servers running earlier…
mixed-mode siteAn Exchange 5.x site that also contains Exchange 2003 or Exchange 2000 servers. [Exchange 2003]
MNS (Majority Node Set)A type of cluster quorum model in Windows Server 2003. Exchange Server 2007 uses a new type of MNS quorum with file share witness to support failover…
MonadThe code name for the Windows command-line shell technology and scripting language that provides a task automation solution for the Windows platform.
moveThe task of moving an object from one location to another, such as moving a mailbox from one server to another.
MRM (messaging records management)Records management technology in Exchange 2007 that helps organizations to reduce the legal risks that are associated with e-mail and other communications.
MTA (message transfer agent)The component in all versions of Exchange Server that transfers messages between servers using the X.400 protocol. [Exchange 2000]
MTA CheckA command line tool that can be used to check the message transfer agent (MTA) database consistency of Exchange MTA, and to repair the MTA database if…
multifactor authenticationAn authentication method that requires two or more authentication methods, which may include something the user provides, such as certificates; something…
multiple password policyEnables administrators to configure the Key Management (KM) server to require multiple passwords to perform certain tasks. [Exchange 5.5]
Name & Address BookNow called the Domino Directory or Personal Address Book.
named elementA specific design element in an IBM® Lotus® Notes® application -- for example, a view or folder.
named styleA collection of styles that you can apply to data in a file. Styles stored in a named style can include number format, typeface, type size, underlining…
namespaceA prefix applied to URIs, URNs, and XML entities to prevent naming conflicts.
native modeAn operating mode of Exchange Server 2003 when the Exchange organization consists of only Exchange 2003 or Exchange 2000 servers.
navigation paneThe pane that either displays icons for all views, folders, and agents in an application or displays the current navigator.
navigatorAn individual or organization that's trained and able to help consumers, small businesses, and their employees as they look for health coverage options…
NDR (non-delivery report)A notice that a message was not delivered to the recipient. [Exchange 2003]
newsfeedThe periodic transfer of newly posted newsgroup articles from one NNTP server to another using the NNTP protocol.
newsgroupAn online discussion group that users with news readers can participate in. An IBM® Lotus® Domino™ NNTP server can store USENET newsgroups, public…
newsreaderA client application that runs the NNTP protocol and is used to select, view, create, sort, and print USENET and private newsgroup articles.
NNTP (Network News Transfer Protocol)Protocol that supports reading newsgroups, posting new articles, and transferring articles between news servers.
no AccessAn access level with which users have no access to a Notes application; they cannot even add the application icon to their workspaces.
NoteA note is a debt security that promises to pay interest during the term that the issuer has use of the money, and to repay the principal on or before the…
note headerA note header is a structure that contains, among other things, the note's originator ID (OID), which includes the note's universal ID (UNID); the note…
note IDA 4-byte value that is assigned to a note when the note is first created. Note IDs are stored in the record relocation vector table, which maps a note's…
Notes applicationA file or files that contain both a set of documents and a copy of the design elements that control the creation and modification of those documents.
Notes clientClient software that allows users to access Notes applications on a Domino server, send mail, and browse the Web.
Notes databasea single file with the NSF extension that physically contains both a set of documents and a copy of the application design elements that control the…
Notes fileIn Lotus Notes, a file with the extension NSF that contain the data for an application.
NOTES.INIA settings file that includes installation choices, server console commands, and setup selections.
Notes/FXa technology that lets desktop applications and Notes share data fields.
NSF (Notes Storage Facility)The file extension for a Notes database file. A database file contains the data for an application.
NSPI (Name Service Provider Interface)Part of the DSProxy process that can accept Outlook client directory requests and pass them to an address book provider. [Exchange 2000]
NTF (Notes Template File)The file extension for a Notes template file. A template file contains the structure for the application -- that is, forms, folders, and views -- but does…
OAB (offline address book)A copy of an address book that has been downloaded so that an Outlook user can access the information it contains while disconnected from the server.
OAB (offline address book) generationThe process by which Exchange Server creates and updates the OAB. Administrators can define when the OAB generation process will run. [Exchange 2007]
OAB (offline address book) version 4The OAB version that was introduced with Exchange Server 2003 Service Pack 2 (SP2). OAB version 4.0 is required for Web-based distribution. [Exchange 2007]
OABGenWhen the Microsoft Exchange System Attendant generates the offline address book (OAB), it calls Oabgen.dll (referred to as OABGen).
objectAn entity such as a file, folder, shared folder, printer, or Active Directory object, described by a distinct, named set of attributes.
offline address booksContain the recipient objects found in any Recipients container in the directory. [Exchange 5.5]
offline address listA collection of address lists available to Exchange Server 2003 users either when they are working offline, or when they are working remotely over a…
OLE DBSee definition for: Object Linking and Embedding Data Base
open proxyA proxy server that accepts connection requests from anyone anywhere and forwards the traffic as if it has originated from the local hosts. [Exchange 2007]
Open RelayWhen the Internet was young, people trusted each other (or there simply weren't too many of them) and everybody was allowed to use everybody else's SMTP…
Opt-InGiving your credit card company or bank permission to include you in a particular service.
Opt-outDeclining a particular service offered by your bank.
organizationA collection of Exchange computers grouped into sites. [Exchange 5.5]
Organizational Forms LibraryA system folder on an Exchange computer that stores forms commonly accessed by users within an organization.
outbound hostThe host computer that receives a newsfeed. [Exchange 5.5]
outdialingA process in which Unified Messaging (UM) dials or transfers calls. Unified Messaging generally receives calls, but sometimes dials calls.
outgoing mail databaseA file (Mail_.box) that temporarily stores outgoing mail that users create when not connected to a mail server.
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 AccessThe Web browser interface to Exchange Server mailbox and public folder data. The Outlook Web Access client in Exchange Server 5.
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]
P1 message headerThe P1 message header is the [transport envelope] address information that is used by message transfer agents (MTAs) to route mail.
P2 message headerThe P2 message header contains only the message recipient data that the sender declared to the recipients.
PAB (Personal Address Book)A customizable address list in which a user can add and delete names of users and personal distribution lists to which messages frequently are addressed.
paneA separate area in a split window. A window can be split into two or more panes.
parent documentA document whose values are inherited by another document (the child document).
passthru serverAn intermediary server that lets a client access a target server to which the client is not connected.
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…
PDL (personal distribution list)A distribution list that a user creates and adds to their Personal Address Book (PDL) A distribution list is a name assigned to a group of recipients.
perimeter networkAn Internet Protocol (IP) network segment that contains resources, such as Web servers and virtual private network (VPN) servers, that are available to…
permanent penAn editing feature that allows users to edit documents in a second font.