Index_X

X

X.25 MTA transport stack, 473

X.400 Address Space Properties screen, 481

X.400 addresses, 471

associating with user accounts, 93

case-sensitivity of, 481

configured by default for mailboxes, 187

creating, 309

generating automatically, 203

X.400 Bodypart for Message Text option, 484

X.400 Conformance option, 484

X.400 Connector, 111, 275, 279, 472

advantages and disadvantages of, 128

configuring advanced properties, 484

configuring an address space for, 480

configuring each end separately, 472

configuring in Exchange Server 2003, 473

connecting to other messaging systems with, 471–85

creating, 475–85

disabling, 477

restricting the use of, 483

routing messages to a foreign e-mail system over, 60

scheduling the availability of, 478

upgrading an, 344

X.400 messaging standard, 471

X.400 protocol, 428

X.400 queues, 586

X.400 service, removing, 277

X.400 standards, 93

X.400 systems

connectivity to external, 52

sending high-priority messages to, 188

taking turns transmitting and receiving information, 483

X.400 Transport Stack setting, 476

X.400-compliant message handling system, 93

X.500 Directory Access Protocol. See DAP (Directory Access Protocol)

X.500 standard, 77

X.509 certificates, 465

X.509 standard

authentication levels described by, 542

digital certificates following, 541

SSL/TLS conforming to, 541

XEXCH50 command, 430

X-Link2state command, 65, 67, 430