T.120A standards-based protocol used with Exchange Data Conferencing. Clients such as Microsoft NetMeeting are T.120 compatible. [Exchange 2000]
TargetIn diagnostic tests, the molecule or nucleic acid sequence assayed in a sample.
target serverAn Exchange computer that acts as the end point of a connection between two sites. [Exchange 5.5]
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…
temporary keyA random character string given to users to enable advanced security. [Exchange 5.5]
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.
transport dumpsterIn Exchange Server 2007, a feature of the Hub Transport server role that is only enabled for cluster continuous replication (CCR).
transport ruleA concept that implements a single function point of a transport messaging policy.
Transport Rules agentAn Exchange Server 2007 agent that enables organizations to apply compliance and policy based transport rules to e-mail messages that are sent to or…
Trojan horseA computer program with an apparently or actually useful function that contains additional (hidden) functions that surreptitiously exploit the legitimate…
trust relationshipA logical relationship established between domains to allow pass-through authentication, in which a trusting domain honors the logon authentications of a…
TTS (Text-to-Speech)Technologies for translating or converting typewritten text into speech. [Exchange 2007]
TUI (Telephone User Interface)An interface that is used to navigate the menus of a Unified Messaging (UM) system using DTMF or touch-tone inputs. [Exchange 2007]
two-factor authenticationAn authentication method that requires two authentication methods, which may include something the user provides, such as certificates; something the user…