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+<title> Postfix manual - sendmail(1) </title>
+</head> <body> <pre>
+SENDMAIL(1) SENDMAIL(1)
+
+<b>NAME</b>
+ sendmail - Postfix to Sendmail compatibility interface
+
+<b>SYNOPSIS</b>
+ <b>sendmail</b> [<i>option ...</i>] [<i>recipient ...</i>]
+
+ <b>mailq</b>
+ <b>sendmail -bp</b>
+
+ <b>newaliases</b>
+ <b>sendmail -I</b>
+
+<b>DESCRIPTION</b>
+ The Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> command implements the Postfix to Sendmail com-
+ patibility interface. For the sake of compatibility with existing
+ applications, some Sendmail command-line options are recognized but
+ silently ignored.
+
+ By default, Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> reads a message from standard input
+ until EOF or until it reads a line with only a <b>.</b> character, and
+ 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>
+ command to create a queue file in the <b>maildrop</b> directory.
+
+ Specific command aliases are provided for other common modes of opera-
+ tion:
+
+ <b>mailq</b> List the mail queue. Each entry shows the queue file ID, message
+ size, arrival time, sender, and the recipients that still need
+ to be delivered. If mail could not be delivered upon the last
+ attempt, the reason for failure is shown. The queue ID string is
+ followed by an optional status character:
+
+ <b>*</b> The message is in the <b>active</b> queue, i.e. the message is
+ selected for delivery.
+
+ <b>!</b> The message is in the <b>hold</b> queue, i.e. no further deliv-
+ ery attempt will be made until the mail is taken off
+ hold.
+
+ <b>#</b> The message is forced to expire. See the <a href="postsuper.1.html"><b>postsuper</b>(1)</a>
+ options <b>-e</b> or <b>-f</b>.
+
+ This mode of operation is implemented by executing the
+ <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command.
+
+ <b>newaliases</b>
+ Initialize the alias database. If no input file is specified
+ (with the <b>-oA</b> option, see below), the program processes the
+ file(s) specified with the <b><a href="postconf.5.html#alias_database">alias_database</a></b> configuration parame-
+ ter. If no alias database type is specified, the program uses
+ the type specified with the <b><a href="postconf.5.html#default_database_type">default_database_type</a></b> configuration
+ parameter. This mode of operation is implemented by running the
+ <a href="postalias.1.html"><b>postalias</b>(1)</a> command.
+
+ Note: it may take a minute or so before an alias database update
+ becomes visible. Use the "<b>postfix reload</b>" command to eliminate
+ this delay.
+
+ These and other features can be selected by specifying the appropriate
+ combination of command-line options. Some features are controlled by
+ parameters in the <a href="postconf.5.html"><b>main.cf</b></a> configuration file.
+
+ The following options are recognized:
+
+ <b>-Am</b> (ignored)
+
+ <b>-Ac</b> (ignored)
+ Postfix sendmail uses the same configuration file regardless of
+ whether or not a message is an initial submission.
+
+ <b>-B</b> <i>body</i><b>_</b><i>type</i>
+ The message body MIME type: <b>7BIT</b> or <b>8BITMIME</b>.
+
+ <b>-bd</b> Go into daemon mode. This mode of operation is implemented by
+ executing the "<b>postfix start</b>" command.
+
+ <b>-bh</b> (ignored)
+
+ <b>-bH</b> (ignored)
+ Postfix has no persistent host status database.
+
+ <b>-bi</b> Initialize alias database. See the <b>newaliases</b> command above.
+
+ <b>-bl</b> Go into daemon mode. To accept only local connections as with
+ Sendmail's <b>-bl</b> option, specify "<b><a href="postconf.5.html#inet_interfaces">inet_interfaces</a> = loopback</b>" in
+ the Postfix <a href="postconf.5.html"><b>main.cf</b></a> configuration file.
+
+ <b>-bm</b> Read mail from standard input and arrange for delivery. This is
+ the default mode of operation.
+
+ <b>-bp</b> List the mail queue. See the <b>mailq</b> command above.
+
+ <b>-bs</b> Stand-alone SMTP server mode. Read SMTP commands from standard
+ input, and write responses to standard output. In stand-alone
+ SMTP server mode, mail relaying and other access controls are
+ disabled by default. To enable them, run the process as the
+ <b><a href="postconf.5.html#mail_owner">mail_owner</a></b> user.
+
+ This mode of operation is implemented by running the <a href="smtpd.8.html"><b>smtpd</b>(8)</a>
+ daemon.
+
+ <b>-bv</b> Do not collect or deliver a message. Instead, send an email
+ report after verifying each recipient address. This is useful
+ for testing address rewriting and routing configurations.
+
+ This feature is available in Postfix version 2.1 and later.
+
+ <b>-C</b> <i>config</i><b>_</b><i>file</i>
+
+ <b>-C</b> <i>config</i><b>_</b><i>dir</i>
+ The path name of the Postfix <a href="postconf.5.html"><b>main.cf</b></a> file, or of its parent
+ directory. This information is ignored with Postfix versions
+ before 2.3.
+
+ With Postfix version 3.2 and later, a non-default directory must
+ be authorized in the default <a href="postconf.5.html"><b>main.cf</b></a> file, through the alter-
+ nate_config_directories or <a href="postconf.5.html#multi_instance_directories">multi_instance_directories</a> parame-
+ ters.
+
+ With all Postfix versions, you can specify a directory pathname
+ with the MAIL_CONFIG environment variable to override the loca-
+ tion of configuration files.
+
+ <b>-F</b> <i>full</i><b>_</b><i>name</i>
+ Set the sender full name. This overrides the NAME environment
+ variable, and is used only with messages that have no <b>From:</b> mes-
+ sage header.
+
+ <b>-f</b> <i>sender</i>
+ Set the envelope sender address. This is the address where
+ delivery problems are sent to. With Postfix versions before 2.1,
+ the <b>Errors-To:</b> message header overrides the error return
+ address.
+
+ <b>-G</b> Gateway (relay) submission, as opposed to initial user submis-
+ sion. Either do not rewrite addresses at all, or update incom-
+ plete addresses with the domain information specified with
+ <b><a href="postconf.5.html#remote_header_rewrite_domain">remote_header_rewrite_domain</a></b>.
+
+ This option is ignored before Postfix version 2.3.
+
+ <b>-h</b> <i>hop</i><b>_</b><i>count</i> (ignored)
+ Hop count limit. Use the <b><a href="postconf.5.html#hopcount_limit">hopcount_limit</a></b> configuration parameter
+ instead.
+
+ <b>-I</b> Initialize alias database. See the <b>newaliases</b> command above.
+
+ <b>-i</b> When reading a message from standard input, don't treat a line
+ with only a <b>.</b> character as the end of input.
+
+ <b>-L</b> <i>label</i> (ignored)
+ The logging label. Use the <b><a href="postconf.5.html#syslog_name">syslog_name</a></b> configuration parameter
+ instead.
+
+ <b>-m</b> (ignored)
+ Backwards compatibility.
+
+ <b>-N</b> <i>dsn</i> (default: 'delay, failure')
+ Delivery status notification control. Specify either a
+ comma-separated list with one or more of <b>failure</b> (send notifica-
+ tion when delivery fails), <b>delay</b> (send notification when deliv-
+ ery is delayed), or <b>success</b> (send notification when the message
+ is delivered); or specify <b>never</b> (don't send any notifications at
+ all).
+
+ This feature is available in Postfix 2.3 and later.
+
+ <b>-n</b> (ignored)
+ Backwards compatibility.
+
+ <b>-oA</b><i>alias</i><b>_</b><i>database</i>
+ Non-default alias database. Specify <i>pathname</i> or <i>type</i>:<i>pathname</i>.
+ See <a href="postalias.1.html"><b>postalias</b>(1)</a> for details.
+
+ <b>-O</b> <i>option=value</i> (ignored)
+ Set the named <i>option</i> to <i>value</i>. Use the equivalent configuration
+ parameter in <a href="postconf.5.html"><b>main.cf</b></a> instead.
+
+ <b>-o7</b> (ignored)
+
+ <b>-o8</b> (ignored)
+ To send 8-bit or binary content, use an appropriate MIME encap-
+ sulation and specify the appropriate <b>-B</b> command-line option.
+
+ <b>-oi</b> When reading a message from standard input, don't treat a line
+ with only a <b>.</b> character as the end of input.
+
+ <b>-om</b> (ignored)
+ The sender is never eliminated from alias etc. expansions.
+
+ <b>-o</b> <i>x value</i> (ignored)
+ Set option <i>x</i> to <i>value</i>. Use the equivalent configuration parame-
+ ter in <a href="postconf.5.html"><b>main.cf</b></a> instead.
+
+ <b>-r</b> <i>sender</i>
+ Set the envelope sender address. This is the address where
+ delivery problems are sent to. With Postfix versions before 2.1,
+ the <b>Errors-To:</b> message header overrides the error return
+ address.
+
+ <b>-R</b> <i>return</i>
+ Delivery status notification control. Specify "hdrs" to return
+ only the header when a message bounces, "full" to return a full
+ copy (the default behavior).
+
+ The <b>-R</b> option specifies an upper bound; Postfix will return only
+ the header, when a full copy would exceed the <a href="postconf.5.html#bounce_size_limit">bounce_size_limit</a>
+ setting.
+
+ This option is ignored before Postfix version 2.10.
+
+ <b>-q</b> Attempt to deliver all queued mail. This is implemented by exe-
+ cuting the <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command.
+
+ Warning: flushing undeliverable mail frequently will result in
+ poor delivery performance of all other mail.
+
+ <b>-q</b><i>interval</i> (ignored)
+ The interval between queue runs. Use the <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a></b> config-
+ uration parameter instead.
+
+ <b>-qI</b><i>queueid</i>
+ Schedule immediate delivery of mail with the specified queue ID.
+ This option is implemented by executing the <a href="postqueue.1.html"><b>postqueue</b>(1)</a> com-
+ mand, and is available with Postfix version 2.4 and later.
+
+ <b>-qR</b><i>site</i>
+ Schedule immediate delivery of all mail that is queued for the
+ named <i>site</i>. This option accepts only <i>site</i> names that are eligi-
+ ble for the "fast flush" service, and is implemented by execut-
+ 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
+ about the "fast flush" service.
+
+ <b>-qS</b><i>site</i>
+ This command is not implemented. Use the slower "<b>sendmail -q</b>"
+ command instead.
+
+ <b>-t</b> Extract recipients from message headers. These are added to any
+ recipients specified on the command line.
+
+ With Postfix versions prior to 2.1, this option requires that no
+ recipient addresses are specified on the command line.
+
+ <b>-U</b> (ignored)
+ Initial user submission.
+
+ <b>-V</b> <i>envid</i>
+ Specify the envelope ID for notification by servers that support
+ DSN.
+
+ This feature is available in Postfix 2.3 and later.
+
+ <b>-XV</b> (Postfix 2.2 and earlier: <b>-V</b>)
+ Variable Envelope Return Path. Given an envelope sender address
+ of the form <i>owner-listname</i>@<i>origin</i>, each recipient <i>user</i>@<i>domain</i>
+ receives mail with a personalized envelope sender address.
+
+ By default, the personalized envelope sender address is
+ <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-
+ ters are configurable with the <b><a href="postconf.5.html#default_verp_delimiters">default_verp_delimiters</a></b> configu-
+ ration parameter.
+
+ <b>-XV</b><i>xy</i> (Postfix 2.2 and earlier: <b>-V</b><i>xy</i>)
+ As <b>-XV</b>, but uses <i>x</i> and <i>y</i> as the VERP delimiter characters,
+ instead of the characters specified with the <b><a href="postconf.5.html#default_verp_delimiters">default_verp_delim</a>-</b>
+ <b><a href="postconf.5.html#default_verp_delimiters">iters</a></b> configuration parameter.
+
+ <b>-v</b> Send an email report of the first delivery attempt (Postfix ver-
+ sions 2.1 and later). Mail delivery always happens in the back-
+ ground. When multiple <b>-v</b> options are given, enable verbose log-
+ ging for debugging purposes.
+
+ <b>-X</b> <i>log</i><b>_</b><i>file</i> (ignored)
+ 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>
+ configuration parameters instead.
+
+<b>SECURITY</b>
+ By design, this program is not set-user (or group) id. It is prepared
+ to handle message content from untrusted, possibly remote, users.
+
+ However, like most Postfix programs, this program does not enforce a
+ security policy on its command-line arguments. Instead, it relies on
+ the UNIX system to enforce access policies based on the effective user
+ and group IDs of the process. Concretely, this means that running Post-
+ fix commands as root (from sudo or equivalent) on behalf of a non-root
+ user is likely to create privilege escalation opportunities.
+
+ If an application runs any Postfix programs on behalf of users that do
+ not have normal shell access to Postfix commands, then that application
+ MUST restrict user-specified command-line arguments to avoid privilege
+ escalation.
+
+ <b>o</b> Filter all command-line arguments, for example arguments that
+ contain a pathname or that specify a database access method.
+ These pathname checks must reject user-controlled symlinks or
+ hardlinks to sensitive files, and must not be vulnerable to TOC-
+ TOU race attacks.
+
+ <b>o</b> Disable command options processing for all command arguments
+ that contain user-specified data. For example, the Postfix <a href="sendmail.1.html"><b>send-</b></a>
+ <a href="sendmail.1.html"><b>mail</b>(1)</a> command line MUST be structured as follows:
+
+ <b>/path/to/sendmail</b> <i>system-arguments</i> <b>--</b> <i>user-arguments</i>
+
+ Here, the "<b>--</b>" disables command option processing for all
+ <i>user-arguments</i> that follow.
+
+ Without the "<b>--</b>", a malicious user could enable Postfix <a href="sendmail.1.html"><b>send-</b></a>
+ <a href="sendmail.1.html"><b>mail</b>(1)</a> command options, by specifying an email address that
+ starts with "<b>-</b>".
+
+<b>DIAGNOSTICS</b>
+ Problems are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>, and to the standard
+ error stream.
+
+<b>ENVIRONMENT</b>
+ <b>MAIL_CONFIG</b>
+ Directory with Postfix configuration files.
+
+ <b>MAIL_VERBOSE</b> (value does not matter)
+ Enable verbose logging for debugging purposes.
+
+ <b>MAIL_DEBUG</b> (value does not matter)
+ Enable debugging with an external command, as specified with the
+ <b><a href="postconf.5.html#debugger_command">debugger_command</a></b> configuration parameter.
+
+ <b>NAME</b> The sender full name. This is used only with messages that have
+ no <b>From:</b> message header. See also the <b>-F</b> option above.
+
+<b>CONFIGURATION PARAMETERS</b>
+ The following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant to this pro-
+ gram. The text below provides only a parameter summary. See <a href="postconf.5.html"><b>post-</b></a>
+ <a href="postconf.5.html"><b>conf</b>(5)</a> for more details including examples.
+
+<b>COMPATIBILITY CONTROLS</b>
+ Available with Postfix 2.9 and later:
+
+ <b><a href="postconf.5.html#sendmail_fix_line_endings">sendmail_fix_line_endings</a> (always)</b>
+ Controls how the Postfix sendmail command converts email message
+ line endings from &lt;CR&gt;&lt;LF&gt; into UNIX format (&lt;LF&gt;).
+
+<b>TROUBLE SHOOTING CONTROLS</b>
+ The <a href="DEBUG_README.html">DEBUG_README</a> file gives examples of how to troubleshoot a Postfix
+ system.
+
+ <b><a href="postconf.5.html#debugger_command">debugger_command</a> (empty)</b>
+ The external command to execute when a Postfix daemon program is
+ invoked with the -D option.
+
+ <b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b>
+ The increment in verbose logging level when a nexthop destina-
+ tion, remote client or server name or network address matches a
+ pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter.
+
+ <b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b>
+ Optional list of nexthop destination, remote client or server
+ name or network address patterns that, if matched, cause the
+ verbose logging level to increase by the amount specified in
+ $<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>.
+
+<b>ACCESS CONTROLS</b>
+ Available in Postfix version 2.2 and later:
+
+ <b><a href="postconf.5.html#authorized_flush_users">authorized_flush_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b>
+ List of users who are authorized to flush the queue.
+
+ <b><a href="postconf.5.html#authorized_mailq_users">authorized_mailq_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b>
+ List of users who are authorized to view the queue.
+
+ <b><a href="postconf.5.html#authorized_submit_users">authorized_submit_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b>
+ List of users who are authorized to submit mail with the <a href="sendmail.1.html"><b>send-</b></a>
+ <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-
+ mand).
+
+<b>RESOURCE AND RATE CONTROLS</b>
+ <b><a href="postconf.5.html#bounce_size_limit">bounce_size_limit</a> (50000)</b>
+ The maximal amount of original message text that is sent in a
+ non-delivery notification.
+
+ <b><a href="postconf.5.html#fork_attempts">fork_attempts</a> (5)</b>
+ The maximal number of attempts to fork() a child process.
+
+ <b><a href="postconf.5.html#fork_delay">fork_delay</a> (1s)</b>
+ The delay between attempts to fork() a child process.
+
+ <b><a href="postconf.5.html#hopcount_limit">hopcount_limit</a> (50)</b>
+ The maximal number of Received: message headers that is allowed
+ in the primary message headers.
+
+ <b><a href="postconf.5.html#queue_run_delay">queue_run_delay</a> (300s)</b>
+ The time between <a href="QSHAPE_README.html#deferred_queue">deferred queue</a> scans by the queue manager;
+ prior to Postfix 2.4 the default value was 1000s.
+
+<b>FAST FLUSH CONTROLS</b>
+ The <a href="ETRN_README.html">ETRN_README</a> file describes configuration and operation details for
+ the Postfix "fast flush" service.
+
+ <b><a href="postconf.5.html#fast_flush_domains">fast_flush_domains</a> ($<a href="postconf.5.html#relay_domains">relay_domains</a>)</b>
+ Optional list of destinations that are eligible for per-destina-
+ tion logfiles with mail that is queued to those destinations.
+
+<b>VERP CONTROLS</b>
+ The <a href="VERP_README.html">VERP_README</a> file describes configuration and operation details of
+ Postfix support for variable envelope return path addresses.
+
+ <b><a href="postconf.5.html#default_verp_delimiters">default_verp_delimiters</a> (+=)</b>
+ The two default VERP delimiter characters.
+
+ <b><a href="postconf.5.html#verp_delimiter_filter">verp_delimiter_filter</a> (-=+)</b>
+ The characters Postfix accepts as VERP delimiter characters on
+ the Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> command line and in SMTP commands.
+
+<b>MISCELLANEOUS CONTROLS</b>
+ <b><a href="postconf.5.html#alias_database">alias_database</a> (see 'postconf -d' output)</b>
+ The alias databases for <a href="local.8.html"><b>local</b>(8)</a> delivery that are updated with
+ "<b>newaliases</b>" or with "<b>sendmail -bi</b>".
+
+ <b><a href="postconf.5.html#command_directory">command_directory</a> (see 'postconf -d' output)</b>
+ The location of all postfix administrative commands.
+
+ <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
+ The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
+ figuration files.
+
+ <b><a href="postconf.5.html#daemon_directory">daemon_directory</a> (see 'postconf -d' output)</b>
+ The directory with Postfix support programs and daemon programs.
+
+ <b><a href="postconf.5.html#default_database_type">default_database_type</a> (see 'postconf -d' output)</b>
+ 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>
+ and <a href="postmap.1.html"><b>postmap</b>(1)</a> commands.
+
+ <b><a href="postconf.5.html#delay_warning_time">delay_warning_time</a> (0h)</b>
+ The time after which the sender receives a copy of the message
+ headers of mail that is still queued.
+
+ <b><a href="postconf.5.html#import_environment">import_environment</a> (see 'postconf -d' output)</b>
+ The list of environment variables that a privileged Postfix
+ process will import from a non-Postfix parent process, or
+ name=value environment overrides.
+
+ <b><a href="postconf.5.html#mail_owner">mail_owner</a> (postfix)</b>
+ The UNIX system account that owns the Postfix queue and most
+ Postfix daemon processes.
+
+ <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b>
+ The location of the Postfix top-level queue directory.
+
+ <b><a href="postconf.5.html#remote_header_rewrite_domain">remote_header_rewrite_domain</a> (empty)</b>
+ Don't rewrite message headers from remote clients at all when
+ this parameter is empty; otherwise, rewrite message headers and
+ append the specified domain name to incomplete addresses.
+
+ <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b>
+ The syslog facility of Postfix logging.
+
+ <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
+ A prefix that is prepended to the process name in syslog
+ records, so that, for example, "smtpd" becomes "prefix/smtpd".
+
+ Postfix 3.2 and later:
+
+ <b><a href="postconf.5.html#alternate_config_directories">alternate_config_directories</a> (empty)</b>
+ A list of non-default Postfix configuration directories that may
+ be specified with "-c <a href="postconf.5.html#config_directory">config_directory</a>" on the command line (in
+ the case of <a href="sendmail.1.html"><b>sendmail</b>(1)</a>, with the "-C" option), or via the
+ MAIL_CONFIG environment parameter.
+
+ <b><a href="postconf.5.html#multi_instance_directories">multi_instance_directories</a> (empty)</b>
+ An optional list of non-default Postfix configuration directo-
+ ries; these directories belong to additional Postfix instances
+ that share the Postfix executable files and documentation with
+ the default Postfix instance, and that are started, stopped,
+ etc., together with the default Postfix instance.
+
+<b>FILES</b>
+ /var/spool/postfix, mail queue
+ /etc/postfix, configuration files
+
+<b>SEE ALSO</b>
+ <a href="pickup.8.html">pickup(8)</a>, mail pickup daemon
+ <a href="qmgr.8.html">qmgr(8)</a>, queue manager
+ <a href="smtpd.8.html">smtpd(8)</a>, SMTP server
+ <a href="flush.8.html">flush(8)</a>, fast flush service
+ <a href="postsuper.1.html">postsuper(1)</a>, queue maintenance
+ <a href="postalias.1.html">postalias(1)</a>, create/update/query alias database
+ <a href="postdrop.1.html">postdrop(1)</a>, mail posting utility
+ <a href="postfix.1.html">postfix(1)</a>, mail system control
+ <a href="postqueue.1.html">postqueue(1)</a>, mail queue control
+ <a href="postlogd.8.html">postlogd(8)</a>, Postfix logging
+ syslogd(8), system logging
+
+<b>README_FILES</b>
+ 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
+ this information.
+ <a href="DEBUG_README.html">DEBUG_README</a>, Postfix debugging howto
+ <a href="ETRN_README.html">ETRN_README</a>, Postfix ETRN howto
+ <a href="VERP_README.html">VERP_README</a>, Postfix VERP howto
+
+<b>LICENSE</b>
+ The Secure Mailer license must be distributed with this software.
+
+<b>AUTHOR(S)</b>
+ Wietse Venema
+ IBM T.J. Watson Research
+ P.O. Box 704
+ Yorktown Heights, NY 10598, USA
+
+ Wietse Venema
+ Google, Inc.
+ 111 8th Avenue
+ New York, NY 10011, USA
+
+ SENDMAIL(1)
+</pre> </body> </html>