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postlog - Postfix-compatible logging utility
postlog [-iv] [-c config_dir] [-p priority] [-t tag] [text...]
The postlog(1) command implements a Postfix-compatible logging inter-
face for use in, for example, shell scripts.
By default, postlog(1) logs the text given on the command line as one
record. If no text is specified on the command line, postlog(1) reads
from standard input and logs each input line as one record.
Logging is sent to syslogd(8); when the standard error stream is con-
nected to a terminal, logging is sent there as well.
The following options are implemented:
Read the main.cf configuration file in the named directory
instead of the default configuration directory.
-i Include the process ID in the logging tag.
-p priority (default: info)
Specifies the logging severity: info, warn, error, fatal, or
panic. With Postfix 3.1 and later, the program will pause for 1
second after reporting a fatal or panic condition, just like
other Postfix programs.
-t tag Specifies the logging tag, that is, the identifying name that
appears at the beginning of each logging record. A default tag
is used when none is specified.
-v Enable verbose logging for debugging purposes. Multiple -v
options make the software increasingly verbose.
Directory with the main.cf file.
The following main.cf parameters are especially relevant to this pro-
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 con-
The syslog facility of Postfix logging.
syslog_name (see 'postconf -d' output)
The mail system name that is prepended to the process name in
syslog records, so that "smtpd" becomes, for example, "post-
postconf(5), configuration parameters
syslogd(8), syslog daemon
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