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POSTDROP(1) General Commands Manual POSTDROP(1) NAME postdrop - Postfix mail posting utility SYNOPSIS postdrop [-rv] [-c config_dir] DESCRIPTION The postdrop(1) command creates a file in the maildrop directory and copies its standard input to the file. Options: -c config_dir The main.cf configuration file is in the named directory instead of the default configuration directory. See also the MAIL_CONFIG environment setting below. -r Use a Postfix-internal protocol for reading the message from standard input, and for reporting status information on standard output. This is currently the only supported method. -v Enable verbose logging for debugging purposes. Multiple -v op- tions make the software increasingly verbose. As of Postfix 2.3, this option is available for the super-user only. SECURITY The command is designed to run with set-group ID privileges, so that it can write to the maildrop queue directory and so that it can connect to Postfix daemon processes. DIAGNOSTICS Fatal errors: malformed input, I/O error, out of memory. Problems are logged to syslogd(8) or postlogd(8) and to the standard error stream. When the input is incomplete, or when the process receives a HUP, INT, QUIT or TERM signal, the queue file is deleted. ENVIRONMENT MAIL_CONFIG Directory with the main.cf file. In order to avoid exploitation of set-group ID privileges, a non-standard directory is allowed only if: • The name is listed in the standard main.cf file with the alternate_config_directories configuration parameter. • The command is invoked by the super-user. CONFIGURATION PARAMETERS The following main.cf parameters are especially relevant to this pro- gram. The text below provides only a parameter summary. See post- conf(5) for more details including examples. alternate_config_directories (empty) A list of non-default Postfix configuration directories that may be specified with "-c config_directory" on the command line (in the case of sendmail(1), with the "-C" option), or via the MAIL_CONFIG environment parameter. config_directory (see 'postconf -d' output) The default location of the Postfix main.cf and master.cf con- figuration files. import_environment (see 'postconf -d' output) The list of environment variables that a privileged Postfix process will import from a non-Postfix parent process, or name=value environment overrides. queue_directory (see 'postconf -d' output) The location of the Postfix top-level queue directory. syslog_facility (mail) The syslog facility of Postfix logging. syslog_name (see 'postconf -d' output) A prefix that is prepended to the process name in syslog records, so that, for example, "smtpd" becomes "prefix/smtpd". trigger_timeout (10s) The time limit for sending a trigger to a Postfix daemon (for example, the pickup(8) or qmgr(8) daemon). Available in Postfix version 2.2 and later: authorized_submit_users (static:anyone) List of users who are authorized to submit mail with the send- mail(1) command (and with the privileged postdrop(1) helper com- mand). Available in Postfix version 3.6 and later: local_login_sender_maps (static:*) A list of lookup tables that are searched by the UNIX login name, and that return a list of allowed envelope sender patterns separated by space or comma. empty_address_local_login_sender_maps_lookup_key (<>) The lookup key to be used in local_login_sender_maps tables, in- stead of the null sender address. recipient_delimiter (empty) The set of characters that can separate an email address local- part, user name, or a .forward file name from its extension. FILES /var/spool/postfix/maildrop, maildrop queue SEE ALSO sendmail(1), compatibility interface postconf(5), configuration parameters postlogd(8), Postfix logging syslogd(8), system logging 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 Wietse Venema Google, Inc. 111 8th Avenue New York, NY 10011, USA POSTDROP(1)
NAME | SYNOPSIS | DESCRIPTION | SECURITY | DIAGNOSTICS | ENVIRONMENT | CONFIGURATION PARAMETERS | FILES | SEE ALSO | LICENSE | AUTHOR(S)
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