POSTCONF(1) POSTCONF(1) [1mNAME[0m postconf - Postfix configuration utility SYNOPSIS [1mpostconf [22m[[1m-dhmlnv[22m] [[1m-c [4m[22mconfig_dir[24m] [[4mparameter[24m [4m...[24m] [1mpostconf [22m[[1m-ev[22m] [[1m-c [4m[22mconfig_dir[24m] [[4mparameter=value[24m [4m...[24m] [1mDESCRIPTION[0m The [1mpostconf[22m(1) command prints the actual value of [4mparame-[0m [4mter[24m (all known parameters by default) one parameter per line, changes its value, or prints other information about the Postfix mail system. Options: [1m-c [4m[22mconfig_dir[0m The [1mmain.cf [22mconfiguration file is in the named directory instead of the default configuration directory. [1m-d [22mPrint default parameter settings instead of actual settings. [1m-e [22mEdit the [1mmain.cf [22mconfiguration 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. [1m-h [22mShow parameter values only, not the ``name = '' label that normally precedes the value. [1m-l [22mList the names of all supported mailbox locking methods. Postfix supports the following methods: [1mflock [22mA kernel-based advisory locking method for local files only. This locking method is available on systems with a BSD compatible library. [1mfcntl [22mA kernel-based advisory locking method for local and remote files. [1mdotlock[0m An application-level locking method. An application locks a file named [4mfilename[24m by creating a file named [4mfilename[24m[1m.lock[22m. The application is expected to remove its own lock file, as well as stale lock files that were left behind after abnormal termination. [1m-m [22mList the names of all supported lookup table types. In Postfix configuration files, lookup tables are specified as [4mtype[24m[1m:[4m[22mname[24m, where [4mtype[24m is one of the types listed below. The table [4mname[24m syntax depends on the lookup table type as described in the DATA- BASE_README document. [1mbtree [22mA sorted, balanced tree structure. This is available on systems with support for Berke- ley DB databases. [1mcdb [22mA read-optimized structure with no support for incremental updates. This is available on systems with support for CDB databases. [1mcidr [22mA table that associates values with Class- less Inter-Domain Routing (CIDR) patterns. This is described in [1mcidr_table[22m(5). [1mdbm [22mAn indexed file type based on hashing. This is available on systems with support for DBM databases. [1menviron[0m The UNIX process environment array. The lookup key is the variable name. Originally implemented for testing, someone may find this useful someday. [1mhash [22mAn indexed file type based on hashing. This is available on systems with support for Berkeley DB databases. [1mldap [22m(read-only) Perform lookups using the LDAP protocol. This is described in [1mldap_table[22m(5). [1mmysql [22m(read-only) Perform lookups using the MYSQL protocol. This is described in [1mmysql_table[22m(5). [1mpcre [22m(read-only) A lookup table based on Perl Compatible Reg- ular Expressions. The file format is described in [1mpcre_table[22m(5). [1mpgsql [22m(read-only) Perform lookups using the PostgreSQL proto- col. This is described in [1mpgsql_table[22m(5). [1mproxy [22m(read-only) A lookup table that is implemented via the Postfix [1mproxymap[22m(8) service. The table name syntax is [4mtype[24m[1m:[4m[22mname[24m. [1mregexp [22m(read-only) A lookup table based on regular expressions. The file format is described in [1mregexp_ta-[0m [1mble[22m(5). [1msdbm [22mAn indexed file type based on hashing. This is available on systems with support for SDBM databases. [1mstatic [22m(read-only) A table that always returns its name as lookup result. For example, [1mstatic:foobar[0m always returns the string [1mfoobar [22mas lookup result. [1mtcp [22m(read-only) Perform lookups using a simple request-reply protocol that is described in [1mtcp_table[22m(5). This feature is not included with Postfix 2.2. [1munix [22m(read-only) A limited way to query the UNIX authentica- tion database. The following tables are implemented: [1munix:passwd.byname[0m The table is the UNIX password data- base. The key is a login name. The result is a password file entry in [1mpasswd[22m(5) format. [1munix:group.byname[0m The table is the UNIX group database. The key is a group name. The result is a group file entry in [1mgroup[22m(5) format. Other table types may exist depending on how Postfix was built. [1m-n [22mPrint parameter settings that are not left at their built-in default value, because they are explicitly specified in main.cf. [1m-v [22mEnable verbose logging for debugging purposes. Mul- tiple [1m-v [22moptions make the software increasingly verbose. [1mDIAGNOSTICS[0m Problems are reported to the standard error stream. ENVI- RONMENT [1mMAIL_CONFIG[0m Directory with Postfix configuration files. CON- FIGURATION PARAMETERS The following [1mmain.cf [22mparameters are especially relevant to this program. The text below provides only a parameter summary. See [1mpostconf[22m(5) for more details including exam- ples. [1mconfig_directory (see 'postconf -d' output)[0m The default location of the Postfix main.cf and master.cf configuration files. FILES /etc/post- fix/main.cf, Postfix configuration parameters SEE ALSO postconf(5), configuration parameters README FILES Use "[1mpostconf readme_directory[22m" or "[1mpostconf[0m [1mhtml_directory[22m" to locate this information. 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)