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pickup (8)
  • >> pickup (8) ( Linux man: Команды системного администрирования )
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    NAME

    pickup
    -
    Postfix local mail pickup
     
    

    SYNOPSIS

    pickup [generic Postfix daemon options]
    
     

    DESCRIPTION

    The pickup(8) daemon waits for hints that new mail has been dropped into the maildrop directory, and feeds it into the cleanup(8) daemon. Ill-formatted files are deleted without notifying the originator. This program expects to be run from the master(8) process manager.  

    STANDARDS

    
    
    None. The pickup(8) daemon does not interact with
    the outside world.
     
    

    SECURITY

    
    
    The pickup(8) daemon is moderately security sensitive. It runs
    with fixed low privilege and can run in a chrooted environment.
    However, the program reads files from potentially hostile users.
    The pickup(8) daemon opens no files for writing, is careful about
    what files it opens for reading, and does not actually touch any data
    that is sent to its public service endpoint.
     
    

    DIAGNOSTICS

    Problems and transactions are logged to syslogd(8).  

    BUGS

    The pickup(8) daemon copies mail from file to the cleanup(8) daemon. It could avoid message copying overhead by sending a file descriptor instead of file data, but then the already complex cleanup(8) daemon would have to deal with unfiltered user data.  

    CONFIGURATION PARAMETERS

    
    
    As the pickup(8) daemon is a relatively long-running process, up
    to an hour may pass before a main.cf change takes effect.
    Use the command "postfix reload" command to speed up a change.
    

    The text below provides only a parameter summary. See postconf(5) for more details including examples.  

    CONTENT INSPECTION CONTROLS

    
    
    
    content_filter (empty)
    The name of a mail delivery transport that filters mail after it is queued.
    receive_override_options (empty)
    Enable or disable recipient validation, built-in content filtering, or address mapping.
     

    MISCELLANEOUS CONTROLS

    
    
    
    config_directory (see 'postconf -d' output)
    The default location of the Postfix main.cf and master.cf configuration files.
    daemon_timeout (18000s)
    How much time a Postfix daemon process may take to handle a request before it is terminated by a built-in watchdog timer.
    ipc_timeout (3600s)
    The time limit for sending or receiving information over an internal communication channel.
    line_length_limit (2048)
    Upon input, long lines are chopped up into pieces of at most this length; upon delivery, long lines are reconstructed.
    max_idle (100s)
    The maximum amount of time that an idle Postfix daemon process waits for the next service request before exiting.
    max_use (100)
    The maximal number of connection requests before a Postfix daemon process terminates.
    process_id (read-only)
    The process ID of a Postfix command or daemon process.
    process_name (read-only)
    The process name of a Postfix command or daemon process.
    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 (postfix)
    The mail system name that is prepended to the process name in syslog records, so that "smtpd" becomes, for example, "postfix/smtpd".
     

    SEE ALSO

    cleanup(8), message canonicalization
    sendmail(1), Sendmail-compatible interface
    postdrop(1), mail posting agent
    postconf(5), configuration parameters
    master(5), generic daemon options
    master(8), process manager
    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
    
    

     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    STANDARDS
    SECURITY
    DIAGNOSTICS
    BUGS
    CONFIGURATION PARAMETERS
    CONTENT INSPECTION CONTROLS
    MISCELLANEOUS CONTROLS
    SEE ALSO
    LICENSE
    AUTHOR(S)


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