1 <!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" 2 "https://www.w3.org/TR/html4/loose.dtd"> 3 <html> <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 5 <link rel='stylesheet' type='text/css' href='postfix-doc.css'> 6 <title> Postfix manual - sendmail(1) </title> 7 </head> <body> <pre> 8 SENDMAIL(1) SENDMAIL(1) 9 10 <b><a name="name">NAME</a></b> 11 sendmail - Postfix to Sendmail compatibility interface 12 13 <b><a name="synopsis">SYNOPSIS</a></b> 14 <b>sendmail</b> [<i>option ...</i>] [<i>recipient ...</i>] 15 16 <b>mailq</b> 17 <b>sendmail -bp</b> 18 19 <b>newaliases</b> 20 <b>sendmail -I</b> 21 22 <b><a name="description">DESCRIPTION</a></b> 23 The Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> command implements the Postfix to Sendmail com- 24 patibility interface. For the sake of compatibility with existing 25 applications, some Sendmail command-line options are recognized but 26 silently ignored. 27 28 By default, Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> reads a message from standard input 29 until EOF or until it reads a line with only a <b>.</b> character, and 30 arranges for delivery. Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> relies on the <a href="postdrop.1.html"><b>postdrop</b>(1)</a> 31 command to create a queue file in the <b>maildrop</b> directory. 32 33 Specific command aliases are provided for other common modes of opera- 34 tion: 35 36 <b>mailq</b> List the mail queue. Each entry shows the queue file ID, message 37 size, arrival time, sender, and the recipients that still need 38 to be delivered. If mail could not be delivered upon the last 39 attempt, the reason for failure is shown. The queue ID string is 40 followed by an optional status character: 41 42 <b>*</b> The message is in the <b>active</b> queue, i.e. the message is 43 selected for delivery. 44 45 <b>!</b> The message is in the <b>hold</b> queue, i.e. no further deliv- 46 ery attempt will be made until the mail is taken off 47 hold. 48 49 <b>#</b> The message is forced to expire. See the <a href="postsuper.1.html"><b>postsuper</b>(1)</a> 50 options <b>-e</b> or <b>-f</b>. 51 52 This mode of operation is implemented by executing the 53 <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command. 54 55 <b>newaliases</b> 56 Initialize the alias database. If no input file is specified 57 (with the <b>-oA</b> option, see below), the program processes the 58 file(s) specified with the <b><a href="postconf.5.html#alias_database">alias_database</a></b> configuration parame- 59 ter. If no alias database type is specified, the program uses 60 the type specified with the <b><a href="postconf.5.html#default_database_type">default_database_type</a></b> configuration 61 parameter. This mode of operation is implemented by running the 62 <a href="postalias.1.html"><b>postalias</b>(1)</a> command. 63 64 Note: it may take a minute or so before an alias database update 65 becomes visible. Use the "<b>postfix reload</b>" command to eliminate 66 this delay. 67 68 These and other features can be selected by specifying the appropriate 69 combination of command-line options. Some features are controlled by 70 parameters in the <a href="postconf.5.html"><b>main.cf</b></a> configuration file. 71 72 The following options are recognized: 73 74 <b>-Am</b> (ignored) 75 76 <b>-Ac</b> (ignored) 77 Postfix sendmail uses the same configuration file regardless of 78 whether or not a message is an initial submission. 79 80 <b>-B</b> <i>body</i><b>_</b><i>type</i> 81 The message body MIME type: <b>7BIT</b> or <b>8BITMIME</b>. 82 83 <b>-bd</b> Go into daemon mode. This mode of operation is implemented by 84 executing the "<b>postfix start</b>" command. 85 86 <b>-bh</b> (ignored) 87 88 <b>-bH</b> (ignored) 89 Postfix has no persistent host status database. 90 91 <b>-bi</b> Initialize alias database. See the <b>newaliases</b> command above. 92 93 <b>-bl</b> Go into daemon mode. To accept only local connections as with 94 Sendmail's <b>-bl</b> option, specify "<b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a> = loopback</b>" in 95 the Postfix <a href="postconf.5.html"><b>main.cf</b></a> configuration file. 96 97 <b>-bm</b> Read mail from standard input and arrange for delivery. This is 98 the default mode of operation. 99 100 <b>-bp</b> List the mail queue. See the <b>mailq</b> command above. 101 102 <b>-bs</b> Stand-alone SMTP server mode. Read SMTP commands from standard 103 input, and write responses to standard output. In stand-alone 104 SMTP server mode, mail relaying and other access controls are 105 disabled by default. To enable them, run the process as the 106 <b><a href="postconf.5.html#mail_owner">mail_owner</a></b> user. 107 108 This mode of operation is implemented by running the <a href="smtpd.8.html"><b>smtpd</b>(8)</a> 109 daemon. 110 111 <b>-bv</b> Do not collect or deliver a message. Instead, send an email 112 report after verifying each recipient address. This is useful 113 for testing address rewriting and routing configurations. 114 115 This feature is available in Postfix version 2.1 and later. 116 117 <b>-C</b> <i>config</i><b>_</b><i>file</i> 118 119 <b>-C</b> <i>config</i><b>_</b><i>dir</i> 120 The path name of the Postfix <a href="postconf.5.html"><b>main.cf</b></a> file, or of its parent 121 directory. This information is ignored with Postfix versions 122 before 2.3. 123 124 With Postfix version 3.2 and later, a non-default directory must 125 be authorized in the default <a href="postconf.5.html"><b>main.cf</b></a> file, through the alter- 126 nate_config_directories or <a href="postconf.5.html#multi_instance_directories">multi_instance_directories</a> parame- 127 ters. 128 129 With all Postfix versions, you can specify a directory pathname 130 with the MAIL_CONFIG environment variable to override the loca- 131 tion of configuration files. 132 133 <b>-F</b> <i>full</i><b>_</b><i>name</i> 134 Set the sender full name. This overrides the NAME environment 135 variable, and is used only with messages that have no <b>From:</b> mes- 136 sage header. 137 138 <b>-f</b> <i>sender</i> 139 Set the envelope sender address. This is the address where 140 delivery problems are sent to. With Postfix versions before 2.1, 141 the <b>Errors-To:</b> message header overrides the error return 142 address. 143 144 <b>-G</b> Gateway (relay) submission, as opposed to initial user submis- 145 sion. Either do not rewrite addresses at all, or update incom- 146 plete addresses with the domain information specified with 147 <b><a href="postconf.5.html#remote_header_rewrite_domain">remote_header_rewrite_domain</a></b>. 148 149 This option is ignored before Postfix version 2.3. 150 151 <b>-h</b> <i>hop</i><b>_</b><i>count</i> (ignored) 152 Hop count limit. Use the <b><a href="postconf.5.html#hopcount_limit">hopcount_limit</a></b> configuration parameter 153 instead. 154 155 <b>-I</b> Initialize alias database. See the <b>newaliases</b> command above. 156 157 <b>-i</b> When reading a message from standard input, don't treat a line 158 with only a <b>.</b> character as the end of input. 159 160 <b>-L</b> <i>label</i> (ignored) 161 The logging label. Use the <b><a href="postconf.5.html#syslog_name">syslog_name</a></b> configuration parameter 162 instead. 163 164 <b>-m</b> (ignored) 165 Backwards compatibility. 166 167 <b>-N</b> <i>dsn</i> (default: 'delay, failure') 168 Delivery status notification control. Specify either a 169 comma-separated list with one or more of <b>failure</b> (send notifica- 170 tion when delivery fails), <b>delay</b> (send notification when deliv- 171 ery is delayed), or <b>success</b> (send notification when the message 172 is delivered); or specify <b>never</b> (don't send any notifications at 173 all). 174 175 This feature is available in Postfix 2.3 and later. 176 177 <b>-n</b> (ignored) 178 Backwards compatibility. 179 180 <b>-oA</b><i>alias</i><b>_</b><i>database</i> 181 Non-default alias database. Specify <i>pathname</i> or <i>type</i>:<i>pathname</i>. 182 See <a href="postalias.1.html"><b>postalias</b>(1)</a> for details. 183 184 <b>-O</b> <i>option=value</i> (ignored) 185 Set the named <i>option</i> to <i>value</i>. Use the equivalent configuration 186 parameter in <a href="postconf.5.html"><b>main.cf</b></a> instead. 187 188 <b>-o7</b> (ignored) 189 190 <b>-o8</b> (ignored) 191 To send 8-bit or binary content, use an appropriate MIME encap- 192 sulation and specify the appropriate <b>-B</b> command-line option. 193 194 <b>-oi</b> When reading a message from standard input, don't treat a line 195 with only a <b>.</b> character as the end of input. 196 197 <b>-om</b> (ignored) 198 The sender is never eliminated from alias etc. expansions. 199 200 <b>-o</b> <i>x value</i> (ignored) 201 Set option <i>x</i> to <i>value</i>. Use the equivalent configuration parame- 202 ter in <a href="postconf.5.html"><b>main.cf</b></a> instead. 203 204 <b>-r</b> <i>sender</i> 205 Set the envelope sender address. This is the address where 206 delivery problems are sent to. With Postfix versions before 2.1, 207 the <b>Errors-To:</b> message header overrides the error return 208 address. 209 210 <b>-R</b> <i>return</i> 211 Delivery status notification control. Specify "hdrs" to return 212 only the header when a message bounces, "full" to return a full 213 copy (the default behavior). 214 215 The <b>-R</b> option specifies an upper bound; Postfix will return only 216 the header, when a full copy would exceed the <a href="postconf.5.html#bounce_size_limit">bounce_size_limit</a> 217 setting. 218 219 This option is ignored before Postfix version 2.10. 220 221 <b>-q</b> Attempt to deliver all queued mail. This is implemented by exe- 222 cuting the <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command. 223 224 Warning: flushing undeliverable mail frequently will result in 225 poor delivery performance of all other mail. 226 227 <b>-q</b><i>interval</i> (ignored) 228 The interval between queue runs. Use the <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a></b> config- 229 uration parameter instead. 230 231 <b>-qI</b><i>queueid</i> 232 Schedule immediate delivery of mail with the specified queue ID. 233 This option is implemented by executing the <a href="postqueue.1.html"><b>postqueue</b>(1)</a> com- 234 mand, and is available with Postfix version 2.4 and later. 235 236 <b>-qR</b><i>site</i> 237 Schedule immediate delivery of all mail that is queued for the 238 named <i>site</i>. This option accepts only <i>site</i> names that are eligi- 239 ble for the "fast flush" service, and is implemented by execut- 240 ing the <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command. See <a href="flush.8.html"><b>flush</b>(8)</a> for more information 241 about the "fast flush" service. 242 243 <b>-qS</b><i>site</i> 244 This command is not implemented. Use the slower "<b>sendmail -q</b>" 245 command instead. 246 247 <b>-t</b> Extract recipients from message headers. These are added to any 248 recipients specified on the command line. 249 250 With Postfix versions prior to 2.1, this option requires that no 251 recipient addresses are specified on the command line. 252 253 <b>-U</b> (ignored) 254 Initial user submission. 255 256 <b>-V</b> <i>envid</i> 257 Specify the envelope ID for notification by servers that support 258 DSN. 259 260 This feature is available in Postfix 2.3 and later. 261 262 <b>-XV</b> (Postfix 2.2 and earlier: <b>-V</b>) 263 Variable Envelope Return Path. Given an envelope sender address 264 of the form <i>owner-listname</i>@<i>origin</i>, each recipient <i>user</i>@<i>domain</i> 265 receives mail with a personalized envelope sender address. 266 267 By default, the personalized envelope sender address is 268 <i>owner-listname</i><b>+</b><i>user</i><b>=</b><i>domain</i>@<i>origin</i>. The default <b>+</b> and <b>=</b> charac- 269 ters are configurable with the <b><a href="postconf.5.html#default_verp_delimiters">default_verp_delimiters</a></b> configu- 270 ration parameter. 271 272 <b>-XV</b><i>xy</i> (Postfix 2.2 and earlier: <b>-V</b><i>xy</i>) 273 As <b>-XV</b>, but uses <i>x</i> and <i>y</i> as the VERP delimiter characters, 274 instead of the characters specified with the <b><a href="postconf.5.html#default_verp_delimiters">default_verp_delim</a>-</b> 275 <b><a href="postconf.5.html#default_verp_delimiters">iters</a></b> configuration parameter. 276 277 <b>-v</b> Send an email report of the first delivery attempt (Postfix ver- 278 sions 2.1 and later). Mail delivery always happens in the back- 279 ground. When multiple <b>-v</b> options are given, enable verbose log- 280 ging for debugging purposes. 281 282 <b>-X</b> <i>log</i><b>_</b><i>file</i> (ignored) 283 Log mailer traffic. Use the <b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a></b> and <b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a></b> 284 configuration parameters instead. 285 286 <b><a name="security">SECURITY</a></b> 287 By design, this program is not set-user (or group) id. It is prepared 288 to handle message content from untrusted, possibly remote, users. 289 290 However, like most Postfix programs, this program does not enforce a 291 security policy on its command-line arguments. Instead, it relies on 292 the UNIX system to enforce access policies based on the effective user 293 and group IDs of the process. Concretely, this means that running Post- 294 fix commands as root (from sudo or equivalent) on behalf of a non-root 295 user is likely to create privilege escalation opportunities. 296 297 If an application runs any Postfix programs on behalf of users that do 298 not have normal shell access to Postfix commands, then that application 299 MUST restrict user-specified command-line arguments to avoid privilege 300 escalation. 301 302 <b>o</b> Filter all command-line arguments, for example arguments that 303 contain a pathname or that specify a database access method. 304 These pathname checks must reject user-controlled symlinks or 305 hardlinks to sensitive files, and must not be vulnerable to TOC- 306 TOU race attacks. 307 308 <b>o</b> Disable command options processing for all command arguments 309 that contain user-specified data. For example, the Postfix <a href="sendmail.1.html"><b>send-</b></a> 310 <a href="sendmail.1.html"><b>mail</b>(1)</a> command line MUST be structured as follows: 311 312 <b>/path/to/sendmail</b> <i>system-arguments</i> <b>--</b> <i>user-arguments</i> 313 314 Here, the "<b>--</b>" disables command option processing for all 315 <i>user-arguments</i> that follow. 316 317 Without the "<b>--</b>", a malicious user could enable Postfix <a href="sendmail.1.html"><b>send-</b></a> 318 <a href="sendmail.1.html"><b>mail</b>(1)</a> command options, by specifying an email address that 319 starts with "<b>-</b>". 320 321 <b><a name="diagnostics">DIAGNOSTICS</a></b> 322 Problems are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>, and to the standard 323 error stream. 324 325 <b><a name="environment">ENVIRONMENT</a></b> 326 <b>MAIL_CONFIG</b> 327 Directory with Postfix configuration files. 328 329 <b>MAIL_VERBOSE</b> (value does not matter) 330 Enable verbose logging for debugging purposes. 331 332 <b>MAIL_DEBUG</b> (value does not matter) 333 Enable debugging with an external command, as specified with the 334 <b><a href="postconf.5.html#debugger_command">debugger_command</a></b> configuration parameter. 335 336 <b>NAME</b> The sender full name. This is used only with messages that have 337 no <b>From:</b> message header. See also the <b>-F</b> option above. 338 339 <b><a name="configuration_parameters">CONFIGURATION PARAMETERS</a></b> 340 The following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant to this pro- 341 gram. The text below provides only a parameter summary. See <a href="postconf.5.html"><b>post-</b></a> 342 <a href="postconf.5.html"><b>conf</b>(5)</a> for more details including examples. 343 344 <b><a name="compatibility_controls">COMPATIBILITY CONTROLS</a></b> 345 Available with Postfix 2.9 and later: 346 347 <b><a href="postconf.5.html#sendmail_fix_line_endings">sendmail_fix_line_endings</a> (always)</b> 348 Controls how the Postfix sendmail command converts email message 349 line endings from <CR><LF> into UNIX format (<LF>). 350 351 <b><a name="trouble_shooting_controls">TROUBLE SHOOTING CONTROLS</a></b> 352 The <a href="DEBUG_README.html">DEBUG_README</a> file gives examples of how to troubleshoot a Postfix 353 system. 354 355 <b><a href="postconf.5.html#debugger_command">debugger_command</a> (empty)</b> 356 The external command to execute when a Postfix daemon program is 357 invoked with the -D option. 358 359 <b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b> 360 The increment in verbose logging level when a nexthop destina- 361 tion, remote client or server name or network address matches a 362 pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter. 363 364 <b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b> 365 Optional list of nexthop destination, remote client or server 366 name or network address patterns that, if matched, cause the 367 verbose logging level to increase by the amount specified in 368 $<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>. 369 370 <b><a name="access_controls">ACCESS CONTROLS</a></b> 371 Available in Postfix version 2.2 and later: 372 373 <b><a href="postconf.5.html#authorized_flush_users">authorized_flush_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b> 374 List of users who are authorized to flush the queue. 375 376 <b><a href="postconf.5.html#authorized_mailq_users">authorized_mailq_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b> 377 List of users who are authorized to view the queue. 378 379 <b><a href="postconf.5.html#authorized_submit_users">authorized_submit_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b> 380 List of users who are authorized to submit mail with the <a href="sendmail.1.html"><b>send-</b></a> 381 <a href="sendmail.1.html"><b>mail</b>(1)</a> command (and with the privileged <a href="postdrop.1.html"><b>postdrop</b>(1)</a> helper com- 382 mand). 383 384 <b><a name="resource_and_rate_controls">RESOURCE AND RATE CONTROLS</a></b> 385 <b><a href="postconf.5.html#bounce_size_limit">bounce_size_limit</a> (50000)</b> 386 The maximal amount of original message text that is sent in a 387 non-delivery notification. 388 389 <b><a href="postconf.5.html#fork_attempts">fork_attempts</a> (5)</b> 390 The maximal number of attempts to fork() a child process. 391 392 <b><a href="postconf.5.html#fork_delay">fork_delay</a> (1s)</b> 393 The delay between attempts to fork() a child process. 394 395 <b><a href="postconf.5.html#hopcount_limit">hopcount_limit</a> (50)</b> 396 The maximal number of Received: message headers that is allowed 397 in the primary message headers. 398 399 <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a> (300s)</b> 400 The time between <a href="QSHAPE_README.html#deferred_queue">deferred queue</a> scans by the queue manager; 401 prior to Postfix 2.4 the default value was 1000s. 402 403 <b><a name="fast_flush_controls">FAST FLUSH CONTROLS</a></b> 404 The <a href="ETRN_README.html">ETRN_README</a> file describes configuration and operation details for 405 the Postfix "fast flush" service. 406 407 <b><a href="postconf.5.html#fast_flush_domains">fast_flush_domains</a> ($<a href="postconf.5.html#relay_domains">relay_domains</a>)</b> 408 Optional list of destinations that are eligible for per-destina- 409 tion logfiles with mail that is queued to those destinations. 410 411 <b><a name="verp_controls">VERP CONTROLS</a></b> 412 The <a href="VERP_README.html">VERP_README</a> file describes configuration and operation details of 413 Postfix support for variable envelope return path addresses. 414 415 <b><a href="postconf.5.html#default_verp_delimiters">default_verp_delimiters</a> (+=)</b> 416 The two default VERP delimiter characters. 417 418 <b><a href="postconf.5.html#verp_delimiter_filter">verp_delimiter_filter</a> (-=+)</b> 419 The characters Postfix accepts as VERP delimiter characters on 420 the Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> command line and in SMTP commands. 421 422 <b><a name="miscellaneous_controls">MISCELLANEOUS CONTROLS</a></b> 423 <b><a href="postconf.5.html#alias_database">alias_database</a> (see 'postconf -d' output)</b> 424 The alias databases for <a href="local.8.html"><b>local</b>(8)</a> delivery that are updated with 425 "<b>newaliases</b>" or with "<b>sendmail -bi</b>". 426 427 <b><a href="postconf.5.html#command_directory">command_directory</a> (see 'postconf -d' output)</b> 428 The location of all postfix administrative commands. 429 430 <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> 431 The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- 432 figuration files. 433 434 <b><a href="postconf.5.html#daemon_directory">daemon_directory</a> (see 'postconf -d' output)</b> 435 The directory with Postfix support programs and daemon programs. 436 437 <b><a href="postconf.5.html#default_database_type">default_database_type</a> (see 'postconf -d' output)</b> 438 The default database type for use in <a href="newaliases.1.html"><b>newaliases</b>(1)</a>, <a href="postalias.1.html"><b>postalias</b>(1)</a> 439 and <a href="postmap.1.html"><b>postmap</b>(1)</a> commands. 440 441 <b><a href="postconf.5.html#delay_warning_time">delay_warning_time</a> (0h)</b> 442 The time after which the sender receives a copy of the message 443 headers of mail that is still queued. 444 445 <b><a href="postconf.5.html#import_environment">import_environment</a> (see 'postconf -d' output)</b> 446 The list of environment variables that a privileged Postfix 447 process will import from a non-Postfix parent process, or 448 name=value environment overrides. 449 450 <b><a href="postconf.5.html#mail_owner">mail_owner</a> (postfix)</b> 451 The UNIX system account that owns the Postfix queue and most 452 Postfix daemon processes. 453 454 <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b> 455 The location of the Postfix top-level queue directory. 456 457 <b><a href="postconf.5.html#remote_header_rewrite_domain">remote_header_rewrite_domain</a> (empty)</b> 458 Rewrite or add message headers in mail from remote clients if 459 the <a href="postconf.5.html#remote_header_rewrite_domain">remote_header_rewrite_domain</a> parameter value is non-empty, 460 updating incomplete addresses with the domain specified in the 461 <a href="postconf.5.html#remote_header_rewrite_domain">remote_header_rewrite_domain</a> parameter, and adding missing head- 462 ers. 463 464 <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b> 465 The syslog facility of Postfix logging. 466 467 <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> 468 A prefix that is prepended to the process name in syslog 469 records, so that, for example, "smtpd" becomes "prefix/smtpd". 470 471 Postfix 3.2 and later: 472 473 <b><a href="postconf.5.html#alternate_config_directories">alternate_config_directories</a> (empty)</b> 474 A list of non-default Postfix configuration directories that may 475 be specified with "-c <a href="postconf.5.html#config_directory">config_directory</a>" on the command line (in 476 the case of <a href="sendmail.1.html"><b>sendmail</b>(1)</a>, with the "-C" option), or via the 477 MAIL_CONFIG environment parameter. 478 479 <b><a href="postconf.5.html#multi_instance_directories">multi_instance_directories</a> (empty)</b> 480 An optional list of non-default Postfix configuration directo- 481 ries; these directories belong to additional Postfix instances 482 that share the Postfix executable files and documentation with 483 the default Postfix instance, and that are started, stopped, 484 etc., together with the default Postfix instance. 485 486 <b><a name="files">FILES</a></b> 487 /var/spool/postfix, mail queue 488 /etc/postfix, configuration files 489 490 <b><a name="see_also">SEE ALSO</a></b> 491 <a href="pickup.8.html">pickup(8)</a>, mail pickup daemon 492 <a href="qmgr.8.html">qmgr(8)</a>, queue manager 493 <a href="smtpd.8.html">smtpd(8)</a>, SMTP server 494 <a href="flush.8.html">flush(8)</a>, fast flush service 495 <a href="postsuper.1.html">postsuper(1)</a>, queue maintenance 496 <a href="postalias.1.html">postalias(1)</a>, create/update/query alias database 497 <a href="postdrop.1.html">postdrop(1)</a>, mail posting utility 498 <a href="postfix.1.html">postfix(1)</a>, mail system control 499 <a href="postqueue.1.html">postqueue(1)</a>, mail queue control 500 <a href="postlogd.8.html">postlogd(8)</a>, Postfix logging 501 syslogd(8), system logging 502 503 <b><a name="readme_files">README_FILES</a></b> 504 Use "<b>postconf <a href="postconf.5.html#readme_directory">readme_directory</a></b>" or "<b>postconf <a href="postconf.5.html#html_directory">html_directory</a></b>" to locate 505 this information. 506 <a href="DEBUG_README.html">DEBUG_README</a>, Postfix debugging howto 507 <a href="ETRN_README.html">ETRN_README</a>, Postfix ETRN howto 508 <a href="VERP_README.html">VERP_README</a>, Postfix VERP howto 509 510 <b><a name="license">LICENSE</a></b> 511 The Secure Mailer license must be distributed with this software. 512 513 <b>AUTHOR(S)</b> 514 Wietse Venema 515 IBM T.J. Watson Research 516 P.O. Box 704 517 Yorktown Heights, NY 10598, USA 518 519 Wietse Venema 520 Google, Inc. 521 111 8th Avenue 522 New York, NY 10011, USA 523 524 SENDMAIL(1) 525 </pre> </body> </html> 526
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