pmdasendmail(1) — Linux manual page


PMDASENDMAIL(1)            General Commands Manual           PMDASENDMAIL(1)

NAME         top

       pmdasendmail - sendmail performance metrics domain agent (PMDA)

SYNOPSIS         top

       $PCP_PMDAS_DIR/sendmail/pmdasendmail [-d domain] [-l logfile] [-U

DESCRIPTION         top

       pmdasendmail is a sendmail Performance Metrics Domain Agent (PMDA)
       which exports mail traffic statistics as collected by sendmail(1).

       Before the sendmail PMDA can export any metrics, sendmail(1) must
       have statistics collection enabled.  This involves checking the name
       of the statistics file, as given by the OS or O StatusFile control
       lines in /etc/, and then creating this file if it does not
       already exist.  Removing the file will terminate statistics
       collection by sendmail(1) and hence the sendmail PMDA.

       A brief description of the pmdasendmail command line options follows:

       -d   It is absolutely crucial that the performance metrics domain
            number specified here is unique and consistent.  That is, domain
            should be different for every PMDA on the one host, and the same
            domain number should be used for the same PMDA on all hosts.

       -l   Location of the log file.  By default, a log file named
            sendmail.log is written in the current directory of pmcd(1) when
            pmdasendmail is started, i.e.  $PCP_LOG_DIR/pmcd.  If the log
            file cannot be created or is not writable, output is written to
            the standard error instead.

       -U   User account under which to run the agent.  The default is the
            unprivileged "pcp" account in current versions of PCP, but in
            older versions the superuser account ("root") was used by

       There are no communication options, as the Install script ensures the
       sendmail PMDA will be connected to PMCD by a pipe.

INSTALLATION         top

       If you want access to the names, help text and values for the
       sendmail performance metrics, do the following as root:

            # cd $PCP_PMDAS_DIR/sendmail
            # ./Install

       If you want to undo the installation, do the following as root:

            # cd $PCP_PMDAS_DIR/sendmail
            # ./Remove

       pmdasendmail is launched by pmcd(1) and should never be executed
       directly.  The Install and Remove scripts notify pmcd(1) when the
       agent is installed or removed.

FILES         top

                 command line options used to launch pmdasendmail
                 default help text file for the sendmail metrics
                 installation script for the pmdasendmail agent
                 undo installation script for the pmdasendmail agent
                 default log file for error messages and other information
                 from pmdasendmail
                 sendmail configuration file to identify the name of the
                 statistics file


       Environment variables with the prefix PCP_ are used to parameterize
       the file and directory names used by PCP.  On each installation, the
       file /etc/pcp.conf contains the local values for these variables.
       The $PCP_CONF variable may be used to specify an alternative
       configuration file, as described in pcp.conf(5).

SEE ALSO         top

       PCPIntro(1), pmcd(1) and sendmail(1).

COLOPHON         top

       This page is part of the PCP (Performance Co-Pilot) project.
       Information about the project can be found at ⟨⟩.
       If you have a bug report for this manual page, send it to  This page was obtained from the project's upstream
       Git repository ⟨⟩ on
       2020-08-13.  (At that time, the date of the most recent commit that
       was found in the repository was 2020-08-11.)  If you discover any
       rendering problems in this HTML version of the page, or you believe
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       (which is not part of the original manual page), send a mail to

Performance Co-Pilot                 PCP                     PMDASENDMAIL(1)