package manager, 5, 35, 62, 63
package managers, 62, 63
PAM, 38, 39, 40, 230, 235
passwd file, 69, 77, 228
password, 3-6, 9, 15-16, 19-20, 22, 24, 26-30, 33, 38-39, 68-69, 71- 76, 78-80, 94, 152, 156-57, 228, 230, 259, 260-61, 263
password policy, 26-29
password timeouts, 20, 28-29, 72
ping, 227, 254
port, 3-6, 9-10, 14-16, 18, 23-24, 30, 33-34, 40, 90-91, 99, 112-14, 116, 126, 129, 147, 154, 165, 209, 212-13, 225, 236, 238, 241, 244-45, 249-50
PortSentry, 36
Postfix, 10, 42-43, 63, 74, 159-91, 193
aliases, 160, 170-72, 175, 178, 199
allow_mail_to_command, 175
allow_mail_to_files, 175
allow_percent_hack, 168
allow_untrusted_routing, 181
always_bcc, 163
append_at_myorigin, 169
append_dot_mydomain, 169
best_mx_transport, 185
body_checks, 190
bounce_notice_recipient, 167
bounce_size_limit, 177
bounced mail, 165
canonical mapping, 167, 171, 172
canonical_maps, 171
check_client_access, 181-84
check_sender_access, 182, 184
command_time_limit, 177
daemon_timeout, 163
debug_peer_level, 188
debug_peer_list, 188
default_database_type, 163
default_destination_concurrency_limit, 187
default_destination_recipient_limit, 187
default_privs, 175
default_process_limit, 178
default_transport, 164
defer_transports, 188
delay_notice_recipient, 167
delay_warning_time, 165
deliver_lock_attempts, 178
deliver_lock_delay, 178
delivery rates, 186-87
disable_vrfy_command, 180
double_bounce_sender, 164
duplicate_filter_limit, 178
error_notice_recipient, 167
fallback_relay, 185
fallback_transport, 176
fork_attempts, 178
fork_delay, 178
hash_queue_depth, 164
hash_queue_names, 164
header_checks, 190
header_size_limit, 178
home_mailbox, 175
hopcount_limit, 164
idle_time, 165
ignore_mx_lookup_error, 185
inet_interfaces, 165, 174
initial_destination_concurrency, 1 87
ipc_timeout, 165
line_length_limit, 178
local delivery, 170, 173-76, 185
local_command_shell, 174
local_destination_concurrency _limit, 176
local_destination_recipient_limit, 177
local_transport, 174
luser_relay, 176
mail_name, 165, 180
mail_owner, 166
mail_spool_directory, 176
mail_version, 166
mailbox_command, 176
mailbox_transport, 176
maillog, 188, 191
mailtool, 168
main.cf, 161
maps_rbl_domains, 184
masquerade_domains, 169
masquerade_exceptions, 169
max_use, 166
maximal_backoff_time, 188
maximal_queue_lifetime, 187
minimal_backoff_time, 187
mydestination, 161, 174, 184
mydomain, 161, 166, 169, 190
myhostname, 161, 166, 180
mynetworks, 166, 181, 183-84
myorigin, 161, 169
newaliases, 170
notify_classes, 162
opts_smtpd_timeout, 180
opts_trigger_timeout, 168
permit, 181-84, 190
permit_mynetworks, 181, 183-84
permit_naked_ip_address, 181, 182, 183
postalias, 163, 171
postmap, 163
prepend_delivered_header, 177
process_id_directory, 167
program_directory, 167
qmgr_message_active_limit, 179
queue_directory, 167
queue_minfree, 179
queue_run_delay, 188
recipient_canonical_maps, 171
recipient_delimiter, 167, 175
reject, 181-84, 189-90
reject_invalid_hostname, 181-84
reject_maps_rbl, 181-84
reject_unauth_pipelining, 181, 183-84
reject_unknown_client, 181-84
reject_unknown_hostname, 182-84
relay_domains, 184
relayhost, 163
relocated mapping, 167-68, 173
relocated_maps, 168
sender_canonical_maps, 171
smtp_connect_timeout, 186
smtp_data_done_timeout, 187
smtp_data_init_timeout, 186
smtp_data_xfer_timeout, 186
smtp_destination_concurrency, 186
smtp_destination_recipient_limit, 186
smtp_helo_timeout, 186
smtp_mail_timeout, 186
smtp_quit_timeout, 187
smtp_rcpt_timeout, 186
smtp_skip_4xx_greeting, 185
smtp_skip_quit_response, 185
smtpd, 165, 180, 181, 183, 184, 189
smtpd_banner, 165, 180
smtpd_client_restrictions, 189
smtpd_error_sleep_time, 180
smtpd_etrn_restrictions, 181
smtpd_hard_error_limit, 181
smtpd_helo_required, 181, 189
smtpd_helo_restrictions, 183, 189
smtpd_recipient, 180, 184, 189
smtpd_recipient_restrictions, 184, 189
smtpd_sender_restrictions, 183, 189
smtpd_soft_error, 181
strict_rfc821_envelopes, 189
sun_mailtool_compatibility, 168
swap_bangpath, 169
transport mapping, 172, 188
transport_maps, 172
transport_retry_time, 179
UCE, 166, 180-81, 189
unsolicited commercial email, 162, 180, 188-89, 202
virtual domains, 167, 172, 191
virtual hosting, 141, 191
warn_if_reject, 181, 183
Postfix daemon_timeout, 10, 42
primary group, 26, 68, 72-73, 75, 79-80
processes, 51, 57, 60, 62, 86, 88-89, 91, 93, 97, 105, 165, 176-77, 196, 227-29, 240
proxy, 65, 90, 104, 106-07, 111-13, 207-10, 212-14, 224, 226, 230- 33, 235-36, 238, 241-44
ProxyBlock, 118, 10, 14
ps, 61