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qail utility, 155
qlogtools, 436
qmail, See also installation; installation, step-by-step procedures; management of qmail
basics, 2-3, 25
bounces, 452
building during installation, 61-63
disadvantages of, 9
features, 12-15, 449-455
message construction, 450
POP3 service, 455
queue management, 451-452
routing by domain, 453
security, 449-450
setup, 449
SMTP delivery, 453
SMTP service, 450-451
forwarding and mailing lists, 454
history of, 1, 15
local delivery, 454-455
vs. Sendmail, 2
qmail-autoresponder, 436
qmail-clean
described, 16
management command, 165
qmail-command environment variables
listed, 143
settings listed, 144
qmail-getpw, 166-167
qmail, how it works, 412-430
high-level overview, 417-418
receiving modules, 418-425
local, 419-420
qmail-queue, 423-425
remote, 421-423
sending modules, 425-430
local, 428-429
qmail-send, 425-428
remote, 429-430
qmail-inject
local receiving modules and, 419
VERP and, 395
qmail-inject injection, 126-133
envelope sender address, setting, 129-130
environment variables, 127-133
From field, setting, 127-129
injection described, 16
Mail-Followup-To, setting, 133
overriding control files, 130
specifying options, 130-132
qmail-ldap, 402
qmail-local
basics, 429
described, 168-169
error messages, 458-459,
module, 16
qmail-lspawn, 16, 169, 429
qmail-newu, 170
qmail-pop3d, See also POP3 servers
described, 170-171
installing, 329-332
using, 328
qmail-popup, 171
qmail-procmail listing, 147
qmail-pw2u
adding users and, 119
described, 172-175
qmail-qfilter, 436
qmail-qmqpd, 175, 423
qmail-qmtpd, 176, 423
qmail-qread queue diagnostic tool, 176-177, 190
qmail-qsanity, 191
qmail-qstat queue diagnostic tool, 188-189
qmail-queue
described, 16
injection, and sending messages, 134-136
receiving modules and, 423-425
qmail-read queue diagnostic tool, 188-189
qmail-remote
basics, 177-179, 429-430
error messages, 459
qmail-rspawn, 16, 179, 429
Qmail-Scanner, 404-414, 437
installing, 404-414
maintaining, 414
qmail-send
basics, 16, 179-180, 425-428
error messages, 457-458
log messages, 203-206
module, 16
removing messages from queue and, 193
qmail-showctl, 180-182
qmail-smtpd
described, 16, 183
gotchas, 467-468
remote receiving module, 421-423
qmail-start, 184
qmail-tcpok, 184-185
qmail-tcpto, 185
qmail-users mechanism, configuring, 117-119
qmail-vacation, 437
<qmail@list.cr.yp.to> mailing list, 24
qmail+patches installation, vs. tarball installation, 90
qmailanalog, 437-439
<qmailannounce@list.cr.yp.to> mailing list, 24
qmailctl functions
alrm function, 162
cdb function, 164
cont function, 164
doqueue function, 162
flush function, 162
help function, 165
hup function, 163
pause function, 163
queue function, 164
reload function, 163
restart function, 162
script functions, 161-165
start function, 161
stat function, 163, 189, 201
qmailctl script
installing, 46
system startup files configuration and, 68-73
troubleshooting processes and, 201
using, 159-165
interactive interface, 160-165
logging, 165
System V init.d script, 160
QMAILHOST, and setting envelope sender addresses, 130
QMAILINJECT, and overriding control files, 130-132
QMAILQUEUE patch, 405, 412
QMAILUSER, and setting envelope sender addresses, 129
QMQP (Quick Mail Queuing Protocol)
advanced configuration, 258-264
nullmailer and, 264
setting up QMQP clients (mini-qmail), 261-264
setting up QMQP services, 259-261
qmqpservers control file, 104
QMTP (Quick Mail Transfer Protocol), 254, 255-258
advanced options, 254-258
basics, 255-258
patch, 253
setting up QMTP services, 254-255
support for, 253
vs. SMTP, 256-258
Qpopper, 333-338
installing, 334-337
testing service, 337-338
qreceipt dot-qmail utility, 155-156
QSBMF error messages, 460-461
queue, See also queue management
basics of structure, 17-18
cleanup, 428
how messages are placed in, 424-425
location requirements, 33-35
preprocessing, 425-426
queue /var/qmail directory, 17
queue-fix, 196-197
queue function in qmailctl, 164
queue management, 187-197
checking, 188-191
make check, 190-191
qmail-qread, 190
qmail-qsanity, 191
qmail-qstat, 188-189
features of, 451-452
introduction to, 13
modifying, 191-197
adjusting message lifetimes/retry schedules, 192
making corrupt queues consistent, 196
recreating empty queues, 196-197
removing messages from queues, 193-195
tuning, 275-278
queuelifetime control file, 104-105
QUEUESMTPEXTRA compile-time configuration variable, 209
Quick Mail Transfer Protocol. See QMTP (Quick Mail Transfer Protocol)
quick-start installation. See installation
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