Index_R
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R
RAID (Redundant Arrays of Inexpensive Disk), and tuning system hardware, 282-283
RAM (Random-Access Memory)
swap space memory vs., 375
tuning, 280-281
rblsmtpd, for junk mail control, 289-292
rcpthosts control file, 105-106
reactive spam controls defined, 285, 287
Received header fields, and troubleshooting, 212-213
receiving messages, 136-148
dot-qmail files, 136
extension addresses, 141-142
filtering mail, 144-148
extension addresses, 145-146
maildrop, 148
procmail, 146-148
forward delivery, 138-139
maildir delivery, 138
mbox delivery, 137
multiple deliveries, 139-141
program delivery, 137
qmail-command environment variables, 142-144
receiving modules, 418-425
local, 419-420
qmail-queue, 423-425
remote, 421-423
recipients
qmail-inject and, 419-420
Sendmail vs. qmail and, 124
recordio, to log SMTP sessions, 207-208
Red Hat Linux 7.1, installing from RPMs and, 87-90
Red Hat Package Manager packages (RPMs), installing from, 87-90
assumptions about, 88
cautions, 90
downloading RPMs, 88
installing RPMs, 88-90
selecting RPMs, 87-88
Redundant Arrays of Inexpensive Disk technology (RAID), and tuning system hardware, 282-283
RELAYCLIENT, 76, 113, 422
relaying, 110-115
allowing selective, 112-115
control of, 111-112
defined, 110
disabling, 112
relays, 233-235
relay-after-IMAP, 114
relay-after-POP, 114
relays defined, 76
reliability of qmail, 7
reload function in qmailctl, 163
remote message retry schedule, 427-428
remote sending modules, 429-430
remote queue subdirectory contents, 18
removing messages from queue, 193-195
report codes, qmail-remote listed, 178
Resent-fields, and troubleshooting, 215
restart function in qmailctl, 162
retry schedules, 426-428
Return-Path header field, and troubleshooting, 211
RFC 1893 status codes, 461-464
RFCs, 446-448
Ringel, Fred B., and ezmlm-idx, 298, 434
root code
minimization of, 449
security and, 5
routing
by domain features, 453
domains and, 14
reliability and, 7
RPMs (Red Hat Package Manager packages), installing from, 87-90
assumptions about, 88
cautions, 90
downloading RPMs, 88
installing RPMs, 88-90
selecting RPMs, 87-88
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