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| "http://www.w3.org/TR/html4/loose.dtd"> POSTCONF(1) POSTCONF(1) NAME postconf - Postfix configuration utility SYNOPSIS postconf [-dhmlnv] [-c config_dir] [parameter ...] postconf [-ev] [-c config_dir] [parameter=value ...] DESCRIPTION The postconf command prints the actual value of parameter (all known parameters by default) one parameter per line, changes its value, or prints other information about the Postfix mail system. Options: -c config_dir The main.cf configuration file is in the named directory instead of the default configuration directory. -d Print default parameter settings instead of actual settings. -e Edit the main.cf configuration file. The file is copied to a temporary file then renamed into place. Parameters and values are specified on the command line. Use quotes in order to protect shell metacharacters and whitespace. -h Show parameter values only, not the ``name = '' label that normally precedes the value. -l List the names of all supported mailbox locking methods. Postfix supports the following methods: flock A kernel-based advisory locking method for local files only. This locking method is available only on systems with a BSD compat- ible library. fcntl A kernel-based advisory locking method for local and remote files. dotlock An application-level locking method. An application locks a file named filename by creating a file named filename.lock. The application is expected to remove its own lock file, as well as stale lock files that were left behind after abnormal termination. -m List the names of all supported lookup table types. Postfix lookup tables are specified as type:name, where type is one of the types listed below. The table name syntax depends on the lookup table type. btree A sorted, balanced tree structure. This is available only on systems with support for Berkeley DB databases. cidr A table that associates values with Class- less Inter-Domain Routing (CIDR) patterns. This is described in cidr_table(5). dbm An indexed file type based on hashing. This is available only on systems with support for DBM databases. environ The UNIX process environment array. The lookup key is the variable name. Originally implemented for testing, someone may find this useful someday. hash An indexed file type based on hashing. This is available only on systems with support for Berkeley DB databases. ldap (read-only) Perform lookups using the LDAP protocol. This is described in ldap_table(5). mysql (read-only) Perform lookups using the MYSQL protocol. This is described in mysql_table(5). pcre (read-only) A lookup table based on Perl Compatible Reg- ular Expressions. The file format is described in pcre_table(5). pgsql (read-only) Perform lookups using the PostgreSQL proto- col. This is described in pgsql_table(5). proxy (read-only) A lookup table that is implemented via the Postfix proxymap(8) service. The table name syntax is type:name. regexp (read-only) A lookup table based on regular expressions. The file format is described in reg- exp_table(5). static (read-only) A table that always returns its name as lookup result. For example, static:foobar always returns the string foobar as lookup result. tcp (read-only) Perform lookups using a simple request-reply protocol that is described in tcp_table(5). This feature is not included with Postfix 2.1. unix (read-only) A limited way to query the UNIX authentica- tion database. The following tables are implemented: unix:passwd.byname The table is the UNIX password database. The key is a login name. The result is a password file entry in passwd(5) format. unix:group.byname The table is the UNIX group database. The key is a group name. The result is a group file entry in group(5) format. Other table types may exist depending on how Postfix was built. -n Print parameter settings that are not left at their built-in default value, because they are explicitly specified in main.cf. -v Enable verbose logging for debugging purposes. Mul- tiple -v options make the software increasingly verbose. DIAGNOSTICS Problems are reported to the standard error stream. ENVIRONMENT MAIL_CONFIG Directory with Postfix configuration files. CONFIGURATION PARAMETERS The following main.cf parameters are especially relevant to this program. The text below provides only a parameter summary. See postconf(5) for more details including examples. config_directory (see 'postconf -d' output) The default location of the Postfix main.cf and master.cf configuration files. FILES /usr/local/etc/postfix/main.cf, Postfix configuration parameters SEE ALSO postconf(5), configuration parameters README FILES DATABASE_README, Postfix lookup table overview LICENSE The Secure Mailer license must be distributed with this software. AUTHOR(S) Wietse Venema IBM T.J. Watson Research P.O. Box 704 Yorktown Heights, NY 10598, USA POSTCONF(1) |