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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:06:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:06:34 +0000
commit5e61585d76ae77fd5e9e96ebabb57afa4d74880d (patch)
tree2b467823aaeebc7ef8bc9e3cabe8074eaef1666d /html/postconf.1.html
parentInitial commit. (diff)
downloadpostfix-5e61585d76ae77fd5e9e96ebabb57afa4d74880d.tar.xz
postfix-5e61585d76ae77fd5e9e96ebabb57afa4d74880d.zip
Adding upstream version 3.5.24.upstream/3.5.24
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
+ "http://www.w3.org/TR/html4/loose.dtd">
+<html> <head>
+<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
+<title> Postfix manual - postconf(1) </title>
+</head> <body> <pre>
+POSTCONF(1) POSTCONF(1)
+
+<b>NAME</b>
+ postconf - Postfix configuration utility
+
+<b>SYNOPSIS</b>
+ <b>Managing <a href="postconf.5.html">main.cf</a>:</b>
+
+ <b>postconf</b> [<b>-dfhHnopvx</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<b>-C</b> <i>class,...</i>] [<i>parameter ...</i>]
+
+ <b>postconf</b> [<b>-epv</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>parameter</i><b>=</b><i>value ...</i>
+
+ <b>postconf -#</b> [<b>-pv</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>parameter ...</i>
+
+ <b>postconf -X</b> [<b>-pv</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>parameter ...</i>
+
+ <b>Managing <a href="master.5.html">master.cf</a> service entries:</b>
+
+ <b>postconf -M</b> [<b>-fovx</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<i>service</i>[<b>/</b><i>type</i>] <i>...</i>]
+
+ <b>postconf -M</b> [<b>-ev</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>service</i><b>/</b><i>type</i><b>=</b><i>value ...</i>
+
+ <b>postconf -M#</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>service</i><b>/</b><i>type ...</i>
+
+ <b>postconf -MX</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>service</i><b>/</b><i>type ...</i>
+
+ <b>Managing <a href="master.5.html">master.cf</a> service fields:</b>
+
+ <b>postconf -F</b> [<b>-fhHovx</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<i>service</i>[<b>/</b><i>type</i>[<b>/</b><i>field</i>]] <i>...</i>]
+
+ <b>postconf -F</b> [<b>-ev</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>service</i><b>/</b><i>type</i><b>/</b><i>field</i><b>=</b><i>value ...</i>
+
+ <b>Managing <a href="master.5.html">master.cf</a> service parameters:</b>
+
+ <b>postconf -P</b> [<b>-fhHovx</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<i>service</i>[<b>/</b><i>type</i>[<b>/</b><i>parameter</i>]] <i>...</i>]
+
+ <b>postconf -P</b> [<b>-ev</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>service</i><b>/</b><i>type</i><b>/</b><i>parameter</i><b>=</b><i>value ...</i>
+
+ <b>postconf -PX</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <i>service</i><b>/</b><i>type</i><b>/</b><i>parameter ...</i>
+
+ <b>Managing bounce message templates:</b>
+
+ <b>postconf -b</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<i>template</i><b>_</b><i>file</i>]
+
+ <b>postconf -t</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<i>template</i><b>_</b><i>file</i>]
+
+ <b>Managing TLS features:</b>
+
+ <b>postconf -T</b> <i>mode</i> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>]
+
+ <b>Managing other configuration:</b>
+
+ <b>postconf -a</b>|<b>-A</b>|<b>-l</b>|<b>-m</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>]
+
+<b>DESCRIPTION</b>
+ By default, the <a href="postconf.1.html"><b>postconf</b>(1)</a> command displays the values of <a href="postconf.5.html"><b>main.cf</b></a> con-
+ figuration parameters, and warns about possible mis-typed parameter
+ names (Postfix 2.9 and later). The command can also change <a href="postconf.5.html"><b>main.cf</b></a>
+ configuration parameter values, or display other configuration informa-
+ tion about the Postfix mail system.
+
+ Options:
+
+ <b>-a</b> List the available SASL plug-in types for the Postfix SMTP
+ server. The plug-in type is selected with the <b><a href="postconf.5.html#smtpd_sasl_type">smtpd_sasl_type</a></b>
+ configuration parameter by specifying one of the names listed
+ below.
+
+ <b>cyrus</b> This server plug-in is available when Postfix is built
+ with Cyrus SASL support.
+
+ <b>dovecot</b>
+ This server plug-in uses the Dovecot authentication
+ server, and is available when Postfix is built with any
+ form of SASL support.
+
+ This feature is available with Postfix 2.3 and later.
+
+ <b>-A</b> List the available SASL plug-in types for the Postfix SMTP
+ client. The plug-in type is selected with the <b><a href="postconf.5.html#smtp_sasl_type">smtp_sasl_type</a></b> or
+ <b><a href="postconf.5.html#lmtp_sasl_type">lmtp_sasl_type</a></b> configuration parameters by specifying one of the
+ names listed below.
+
+ <b>cyrus</b> This client plug-in is available when Postfix is built
+ with Cyrus SASL support.
+
+ This feature is available with Postfix 2.3 and later.
+
+ <b>-b</b> [<i>template</i><b>_</b><i>file</i>]
+ Display the message text that appears at the beginning of deliv-
+ ery status notification (DSN) messages, expanding $<b>name</b> expres-
+ sions with actual values as described in <a href="bounce.5.html"><b>bounce</b>(5)</a>.
+
+ To override the <b><a href="postconf.5.html#bounce_template_file">bounce_template_file</a></b> parameter setting, specify
+ a template file name at the end of the "<b>postconf -b</b>" command
+ line. Specify an empty file name to display built-in templates
+ (in shell language: "").
+
+ This feature is available with Postfix 2.3 and later.
+
+ <b>-c</b> <i>config</i><b>_</b><i>dir</i>
+ The <a href="postconf.5.html"><b>main.cf</b></a> configuration file is in the named directory instead
+ of the default configuration directory.
+
+ <b>-C</b> <i>class,...</i>
+ When displaying <a href="postconf.5.html"><b>main.cf</b></a> parameters, select only parameters from
+ the specified class(es):
+
+ <b>builtin</b>
+ Parameters with built-in names.
+
+ <b>service</b>
+ Parameters with service-defined names (the first field of
+ a <a href="master.5.html"><b>master.cf</b></a> entry plus a Postfix-defined suffix).
+
+ <b>user</b> Parameters with user-defined names.
+
+ <b>all</b> All the above classes.
+
+ The default is as if "<b>-C all</b>" is specified.
+
+ This feature is available with Postfix 2.9 and later.
+
+ <b>-d</b> Print <a href="postconf.5.html"><b>main.cf</b></a> default parameter settings instead of actual set-
+ tings. Specify <b>-df</b> to fold long lines for human readability
+ (Postfix 2.9 and later).
+
+ <b>-e</b> Edit the <a href="postconf.5.html"><b>main.cf</b></a> configuration file, and update parameter set-
+ tings with the "<i>name=value</i>" pairs on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command
+ line.
+
+ With <b>-M</b>, edit the <a href="master.5.html"><b>master.cf</b></a> configuration file, and replace one
+ or more service entries with new values as specified with "<i>ser-</i>
+ <i>vice/type=value</i>" on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ With <b>-F</b>, edit the <a href="master.5.html"><b>master.cf</b></a> configuration file, and replace one
+ or more service fields with new values as specified with "<i>ser-</i>
+ <i>vice/type/field=value</i>" on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line. Cur-
+ rently, the "command" field contains the command name and com-
+ mand arguments. this may change in the near future, so that the
+ "command" field contains only the command name, and a new "argu-
+ ments" pseudofield contains the command arguments.
+
+ With <b>-P</b>, edit the <a href="master.5.html"><b>master.cf</b></a> configuration file, and add or
+ update one or more service parameter settings (-o parame-
+ ter=value settings) with new values as specified with "<i>ser-</i>
+ <i>vice/type/parameter=value</i>" on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ In all cases the file is copied to a temporary file then renamed
+ into place. Specify quotes to protect special characters and
+ whitespace on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ The <b>-e</b> option is no longer needed with Postfix version 2.8 and
+ later.
+
+ <b>-f</b> Fold long lines when printing <a href="postconf.5.html"><b>main.cf</b></a> or <a href="master.5.html"><b>master.cf</b></a> configuration
+ file entries, for human readability.
+
+ This feature is available with Postfix 2.9 and later.
+
+ <b>-F</b> Show <a href="master.5.html"><b>master.cf</b></a> per-entry field settings (by default all services
+ and all fields), formatted as "<i>service/type/field=value</i>", one
+ per line. Specify <b>-Ff</b> to fold long lines.
+
+ Specify one or more "<i>service/type/field</i>" instances on the <a href="postconf.1.html"><b>post-</b></a>
+ <a href="postconf.1.html"><b>conf</b>(1)</a> command line to limit the output to fields of interest.
+ Trailing parameter name or service type fields that are omitted
+ will be handled as "*" wildcard fields.
+
+ This feature is available with Postfix 2.11 and later.
+
+ <b>-h</b> Show parameter or attribute values without the "<i>name</i> = " label
+ that normally precedes the value.
+
+ <b>-H</b> Show parameter or attribute names without the " = <i>value</i>" that
+ normally follows the name.
+
+ This feature is available with Postfix 3.1 and later.
+
+ <b>-l</b> List the names of all supported mailbox locking methods. Post-
+ fix supports the following methods:
+
+ <b>flock</b> A kernel-based advisory locking method for local files
+ only. This locking method is available on systems with a
+ BSD compatible library.
+
+ <b>fcntl</b> A kernel-based advisory locking method for local and
+ remote files.
+
+ <b>dotlock</b>
+ An application-level locking method. An application locks
+ a file named <i>filename</i> by creating a file named <i>file-</i>
+ <i>name</i><b>.lock</b>. The application is expected to remove its own
+ lock file, as well as stale lock files that were left
+ behind after abnormal program termination.
+
+ <b>-m</b> List the names of all supported lookup table types. In Postfix
+ configuration files, lookup tables are specified as <i>type</i><b>:</b><i>name</i>,
+ where <i>type</i> is one of the types listed below. The table <i>name</i> syn-
+ tax depends on the lookup table type as described in the <a href="DATABASE_README.html">DATA</a>-
+ <a href="DATABASE_README.html">BASE_README</a> document.
+
+ <b>btree</b> A sorted, balanced tree structure. Available on systems
+ with support for Berkeley DB databases.
+
+ <b>cdb</b> A read-optimized structure with no support for incremen-
+ tal updates. Available on systems with support for CDB
+ databases.
+
+ This feature is available with Postfix 2.2 and later.
+
+ <b>cidr</b> A table that associates values with Classless
+ Inter-Domain Routing (CIDR) patterns. This is described
+ in <a href="cidr_table.5.html"><b>cidr_table</b>(5)</a>.
+
+ This feature is available with Postfix 2.2 and later.
+
+ <b>dbm</b> An indexed file type based on hashing. Available on sys-
+ tems with support for DBM databases.
+
+ <b>environ</b>
+ The UNIX process environment array. The lookup key is the
+ environment variable name; the table name is ignored.
+ Originally implemented for testing, someone may find this
+ useful someday.
+
+ <b>fail</b> A table that reliably fails all requests. The lookup ta-
+ ble name is used for logging. This table exists to sim-
+ plify Postfix error tests.
+
+ This feature is available with Postfix 2.9 and later.
+
+ <b>hash</b> An indexed file type based on hashing. Available on sys-
+ tems with support for Berkeley DB databases.
+
+ <b>inline</b> (read-only)
+ A non-shared, in-memory lookup table. Example: "<b><a href="DATABASE_README.html#types">inline</a>:{</b>
+ <i>key</i><b>=</b><i>value</i><b>, {</b> <i>key</i> <b>=</b> <i>text with whitespace or comma</i> <b>}}</b>".
+ Key-value pairs are separated by whitespace or comma;
+ with a key-value pair inside "<b>{}</b>", whitespace is ignored
+ after the opening "<b>{</b>", around the "<b>=</b>" between key and
+ value, and before the closing "<b>}</b>". Inline tables elimi-
+ nate the need to create a database file for just a few
+ fixed elements. See also the <i><a href="DATABASE_README.html#types">static</a>:</i> map type.
+
+ This feature is available with Postfix 3.0 and later.
+
+ <b>internal</b>
+ A non-shared, in-memory hash table. Its content are lost
+ when a process terminates.
+
+ <b>lmdb</b> OpenLDAP LMDB database (a memory-mapped, persistent
+ file). Available on systems with support for LMDB data-
+ bases. This is described in <a href="lmdb_table.5.html"><b>lmdb_table</b>(5)</a>.
+
+ This feature is available with Postfix 2.11 and later.
+
+ <b>ldap</b> (read-only)
+ LDAP database client. This is described in <a href="ldap_table.5.html"><b>ldap_table</b>(5)</a>.
+
+ <b>memcache</b>
+ Memcache database client. This is described in <a href="memcache_table.5.html"><b>mem-</b></a>
+ <a href="memcache_table.5.html"><b>cache_table</b>(5)</a>.
+
+ This feature is available with Postfix 2.9 and later.
+
+ <b>mysql</b> (read-only)
+ MySQL database client. Available on systems with support
+ for MySQL databases. This is described in <a href="mysql_table.5.html"><b>mysql_ta-</b></a>
+ <a href="mysql_table.5.html"><b>ble</b>(5)</a>.
+
+ <b>pcre</b> (read-only)
+ A lookup table based on Perl Compatible Regular Expres-
+ sions. The file format is described in <a href="pcre_table.5.html"><b>pcre_table</b>(5)</a>.
+
+ <b>pgsql</b> (read-only)
+ PostgreSQL database client. This is described in
+ <a href="pgsql_table.5.html"><b>pgsql_table</b>(5)</a>.
+
+ This feature is available with Postfix 2.1 and later.
+
+ <b>pipemap</b> (read-only)
+ A lookup table that constructs a pipeline of tables.
+ Example: "<b><a href="DATABASE_README.html#types">pipemap</a>:{</b><i>type</i><b>_</b><i>1:name</i><b>_</b><i>1, ..., type</i><b>_</b><i>n:name</i><b>_</b><i>n</i><b>}</b>".
+ Each "<a href="DATABASE_README.html#types">pipemap</a>:" query is given to the first table. Each
+ lookup result becomes the query for the next table in the
+ pipeline, and the last table produces the final result.
+ When any table lookup produces no result, the pipeline
+ produces no result. The first and last characters of the
+ "<a href="DATABASE_README.html#types">pipemap</a>:" table name must be "<b>{</b>" and "<b>}</b>". Within these,
+ individual maps are separated with comma or whitespace.
+
+ This feature is available with Postfix 3.0 and later.
+
+ <b>proxy</b> Postfix <a href="proxymap.8.html"><b>proxymap</b>(8)</a> client for shared access to Postfix
+ databases. The table name syntax is <i>type</i><b>:</b><i>name</i>.
+
+ This feature is available with Postfix 2.0 and later.
+
+ <b>randmap</b> (read-only)
+ An in-memory table that performs random selection. Exam-
+ ple: "<b><a href="DATABASE_README.html#types">randmap</a>:{</b><i>result</i><b>_</b><i>1, ..., result</i><b>_</b><i>n</i><b>}</b>". Each table
+ query returns a random choice from the specified results.
+ The first and last characters of the "<a href="DATABASE_README.html#types">randmap</a>:" table
+ name must be "<b>{</b>" and "<b>}</b>". Within these, individual
+ results are separated with comma or whitespace. To give a
+ specific result more weight, specify it multiple times.
+
+ This feature is available with Postfix 3.0 and later.
+
+ <b>regexp</b> (read-only)
+ A lookup table based on regular expressions. The file
+ format is described in <a href="regexp_table.5.html"><b>regexp_table</b>(5)</a>.
+
+ <b>sdbm</b> An indexed file type based on hashing. Available on sys-
+ tems with support for SDBM databases.
+
+ This feature is available with Postfix 2.2 and later.
+
+ <b>socketmap</b> (read-only)
+ Sendmail-style socketmap client. The table name is
+ <b>inet</b>:<i>host</i>:<i>port</i>:<i>name</i> for a TCP/IP server, or <b>unix</b>:<i>path-</i>
+ <i>name</i>:<i>name</i> for a UNIX-domain server. This is described in
+ <a href="socketmap_table.5.html"><b>socketmap_table</b>(5)</a>.
+
+ This feature is available with Postfix 2.10 and later.
+
+ <b>sqlite</b> (read-only)
+ SQLite database. This is described in <a href="sqlite_table.5.html"><b>sqlite_table</b>(5)</a>.
+
+ This feature is available with Postfix 2.8 and later.
+
+ <b>static</b> (read-only)
+ A table that always returns its name as lookup result.
+ For example, <b><a href="DATABASE_README.html#types">static</a>:foobar</b> always returns the string <b>foo-</b>
+ <b>bar</b> as lookup result. Specify "<b><a href="DATABASE_README.html#types">static</a>:{</b> <i>text with white-</i>
+ <i>space</i> <b>}</b>" when the result contains whitespace; this form
+ ignores whitespace after the opening "<b>{</b>" and before the
+ closing "<b>}</b>". See also the <i><a href="DATABASE_README.html#types">inline</a>:</i> map.
+
+ The form "<b><a href="DATABASE_README.html#types">static</a>:{</b><i>text</i><b>}</b> is available with Postfix 3.0 and
+ later.
+
+ <b>tcp</b> (read-only)
+ TCP/IP client. The protocol is described in <a href="tcp_table.5.html"><b>tcp_table</b>(5)</a>.
+
+ <b>texthash</b> (read-only)
+ Produces similar results as <a href="DATABASE_README.html#types">hash</a>: files, except that you
+ don't need to run the <a href="postmap.1.html"><b>postmap</b>(1)</a> command before you can
+ use the file, and that it does not detect changes after
+ the file is read.
+
+ This feature is available with Postfix 2.8 and later.
+
+ <b>unionmap</b> (read-only)
+ A table that sends each query to multiple lookup tables
+ and that concatenates all found results, separated by
+ comma. The table name syntax is the same as for <b>pipemap</b>.
+
+ This feature is available with Postfix 3.0 and later.
+
+ <b>unix</b> (read-only)
+ A limited view of the UNIX authentication database. The
+ following tables are implemented:
+
+ <b>unix:passwd.byname</b>
+ The table is the UNIX password database. The key
+ is a login name. The result is a password file
+ entry in <b>passwd</b>(5) format.
+
+ <b>unix:group.byname</b>
+ The table is the UNIX group database. The key is a
+ group name. The result is a group file entry in
+ <b>group</b>(5) format.
+
+ Other table types may exist depending on how Postfix was built.
+
+ <b>-M</b> Show <a href="master.5.html"><b>master.cf</b></a> file contents instead of <a href="postconf.5.html"><b>main.cf</b></a> file contents.
+ Specify <b>-Mf</b> to fold long lines for human readability.
+
+ Specify zero or more arguments, each with a <i>service-name</i> or <i>ser-</i>
+ <i>vice-name/service-type</i> pair, where <i>service-name</i> is the first
+ field of a <a href="master.5.html">master.cf</a> entry and <i>service-type</i> is one of (<b>inet</b>,
+ <b>unix</b>, <b>fifo</b>, or <b>pass</b>).
+
+ If <i>service-name</i> or <i>service-name/service-type</i> is specified, only
+ the matching <a href="master.5.html">master.cf</a> entries will be output. For example,
+ "<b>postconf -Mf smtp</b>" will output all services named "smtp", and
+ "<b>postconf -Mf smtp/inet</b>" will output only the smtp service that
+ listens on the network. Trailing service type fields that are
+ omitted will be handled as "*" wildcard fields.
+
+ This feature is available with Postfix 2.9 and later. The syntax
+ was changed from "<i>name.type</i>" to "<i>name/type</i>", and "*" wildcard
+ support was added with Postfix 2.11.
+
+ <b>-n</b> Show only configuration parameters that have explicit <i>name=value</i>
+ settings in <a href="postconf.5.html"><b>main.cf</b></a>. Specify <b>-nf</b> to fold long lines for human
+ readability (Postfix 2.9 and later). To show settings that dif-
+ fer from built-in defaults only, use the following bash syntax:
+ comm -23 &lt;(postconf -n) &lt;(postconf -d)
+ Replace "-23" with "-12" to show settings that duplicate
+ built-in defaults.
+
+ <b>-o</b> <i>name=value</i>
+ Override <a href="postconf.5.html"><b>main.cf</b></a> parameter settings.
+
+ This feature is available with Postfix 2.10 and later.
+
+ <b>-p</b> Show <a href="postconf.5.html"><b>main.cf</b></a> parameter settings. This is the default.
+
+ This feature is available with Postfix 2.11 and later.
+
+ <b>-P</b> Show <a href="master.5.html"><b>master.cf</b></a> service parameter settings (by default all ser-
+ vices and all parameters), formatted as "<i>service/type/parame-</i>
+ <i>ter=value</i>", one per line. Specify <b>-Pf</b> to fold long lines.
+
+ Specify one or more "<i>service/type/parameter</i>" instances on the
+ <a href="postconf.1.html"><b>postconf</b>(1)</a> command line to limit the output to parameters of
+ interest. Trailing parameter name or service type fields that
+ are omitted will be handled as "*" wildcard fields.
+
+ This feature is available with Postfix 2.11 and later.
+
+ <b>-t</b> [<i>template</i><b>_</b><i>file</i>]
+ Display the templates for text that appears at the beginning of
+ delivery status notification (DSN) messages, without expanding
+ $<b>name</b> expressions.
+
+ To override the <b><a href="postconf.5.html#bounce_template_file">bounce_template_file</a></b> parameter setting, specify
+ a template file name at the end of the "<b>postconf -t</b>" command
+ line. Specify an empty file name to display built-in templates
+ (in shell language: "").
+
+ This feature is available with Postfix 2.3 and later.
+
+ <b>-T</b> <i>mode</i>
+ If Postfix is compiled without TLS support, the <b>-T</b> option pro-
+ duces no output. Otherwise, if an invalid <i>mode</i> is specified,
+ the <b>-T</b> option reports an error and exits with a non-zero status
+ code. The valid modes are:
+
+ <b>compile-version</b>
+ Output the OpenSSL version that Postfix was compiled with
+ (i.e. the OpenSSL version in a header file). The output
+ format is the same as with the command "<b>openssl version</b>".
+
+ <b>run-version</b>
+ Output the OpenSSL version that Postfix is linked with at
+ runtime (i.e. the OpenSSL version in a shared library).
+
+ <b>public-key-algorithms</b>
+ Output the lower-case names of the supported public-key
+ algorithms, one per-line.
+
+ This feature is available with Postfix 3.1 and later.
+
+ <b>-v</b> Enable verbose logging for debugging purposes. Multiple <b>-v</b>
+ options make the software increasingly verbose.
+
+ <b>-x</b> Expand <i>$name</i> in <a href="postconf.5.html"><b>main.cf</b></a> or <a href="master.5.html"><b>master.cf</b></a> parameter values. The
+ expansion is recursive.
+
+ This feature is available with Postfix 2.10 and later.
+
+ <b>-X</b> Edit the <a href="postconf.5.html"><b>main.cf</b></a> configuration file, and remove the parameters
+ named on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line. Specify a list of param-
+ eter names, not "<i>name=value</i>" pairs.
+
+ With <b>-M</b>, edit the <a href="master.5.html"><b>master.cf</b></a> configuration file, and remove one
+ or more service entries as specified with "<i>service/type</i>" on the
+ <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ With <b>-P</b>, edit the <a href="master.5.html"><b>master.cf</b></a> configuration file, and remove one
+ or more service parameter settings (-o parameter=value settings)
+ as specified with "<i>service/type/parameter</i>" on the <a href="postconf.1.html"><b>postconf</b>(1)</a>
+ command line.
+
+ In all cases the file is copied to a temporary file then renamed
+ into place. Specify quotes to protect special characters on the
+ <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ There is no <a href="postconf.1.html"><b>postconf</b>(1)</a> command to perform the reverse opera-
+ tion.
+
+ This feature is available with Postfix 2.10 and later. Support
+ for -M and -P was added with Postfix 2.11.
+
+ <b>-#</b> Edit the <a href="postconf.5.html"><b>main.cf</b></a> configuration file, and comment out the parame-
+ ters named on the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line, so that those param-
+ eters revert to their default values. Specify a list of parame-
+ ter names, not "<i>name=value</i>" pairs.
+
+ With <b>-M</b>, edit the <a href="master.5.html"><b>master.cf</b></a> configuration file, and comment out
+ one or more service entries as specified with "<i>service/type</i>" on
+ the <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ In all cases the file is copied to a temporary file then renamed
+ into place. Specify quotes to protect special characters on the
+ <a href="postconf.1.html"><b>postconf</b>(1)</a> command line.
+
+ There is no <a href="postconf.1.html"><b>postconf</b>(1)</a> command to perform the reverse opera-
+ tion.
+
+ This feature is available with Postfix 2.6 and later. Support
+ for -M was added with Postfix 2.11.
+
+<b>DIAGNOSTICS</b>
+ Problems are reported to the standard error stream.
+
+<b>ENVIRONMENT</b>
+ <b>MAIL_CONFIG</b>
+ Directory with Postfix configuration files.
+
+<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>postconf</b>(5)</a> for
+ more details including examples.
+
+ <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#bounce_template_file">bounce_template_file</a> (empty)</b>
+ Pathname of a configuration file with bounce message templates.
+
+<b>FILES</b>
+ /etc/postfix/<a href="postconf.5.html">main.cf</a>, Postfix configuration parameters
+ /etc/postfix/<a href="master.5.html">master.cf</a>, Postfix master daemon configuration
+
+<b>SEE ALSO</b>
+ <a href="bounce.5.html">bounce(5)</a>, bounce template file format
+ <a href="master.5.html">master(5)</a>, <a href="master.5.html">master.cf</a> configuration file syntax
+ <a href="postconf.5.html">postconf(5)</a>, <a href="postconf.5.html">main.cf</a> configuration file syntax
+
+<b>README FILES</b>
+ <a href="DATABASE_README.html">DATABASE_README</a>, Postfix lookup table overview
+
+<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
+
+ POSTCONF(1)
+</pre> </body> </html>