Queries counter, 641
Query Processor in Outlook, 45
query-based distribution groups, 198, 199
query-based distribution lists, 17
queue growth, monitoring for continuous, 586
Queue Mail For Remote Triggered Delivery feature, 289
Queue Thresholds dialog box, 586
Queue Viewer, 588
queues, 293, 628. See also outbound queues
Queues container for a server, 293
queuing layer, 47
QUIT POP3 command, 454
QUIT SMTP command, 426, 427