Index_V

V

valid and invalid recipients, 444

VCC (view consistency checker) service, 99

vendors, using an Exchange server as a messaging relay, 447

version store, 30, 31

View Certificate option, 548

View menu, 163, 164

views, 164, 216

virtual directories, 414

Virtual Directories object, 464

virtual memory

model, 588

monitoring the status of, 588

thresholds, 588

virtual roots

created by Exchange, 410

mapping to a file system, 464

virtual servers

for additional hosted domains, 414

associating with specific SMTP domain names, 413

creating, 410, 413

sending e-mail to a destination routing group, 282

virtual SMTP servers, 430

viruses, 505, 533

blocking based on their type of content, 527

guarding against, 520

types of, 533

volume mount point, 248

volume set, 133

volume shadow copy backup, 17

VRFY SMTP command, 427

VSC (Volume Shadow Copy) service, 613

vulnerabilities, 519, 520