Changes to main.cf are picked up automatically, as bounce(8) processes run for only a limited amount of
time. Use the command "postfixreload" to speed up a change.
The text below provides only a parameter summary. See postconf(5) for more details including examples.
2bounce_notice_recipient(postmaster)
The recipient of undeliverable mail that cannot be returned to the sender.
backwards_bounce_logfile_compatibility(yes)
Produce additional bounce(8) logfile records that can be read by Postfix versions before 2.0.
bounce_notice_recipient(postmaster)
The recipient of postmaster notifications with the message headers of mail that Postfix did not
deliver and of SMTP conversation transcripts of mail that Postfix did not receive.
bounce_size_limit(50000)
The maximal amount of original message text that is sent in a non-delivery notification.
bounce_template_file(empty)
Pathname of a configuration file with bounce message templates.
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.
delay_notice_recipient(postmaster)
The recipient of postmaster notifications with the message headers of mail that cannot be
delivered within $delay_warning_time time units.
deliver_lock_attempts(20)
The maximal number of attempts to acquire an exclusive lock on a mailbox file or bounce(8)
logfile.
deliver_lock_delay(1s)
The time between attempts to acquire an exclusive lock on a mailbox file or bounce(8) logfile.
ipc_timeout(3600s)
The time limit for sending or receiving information over an internal communication channel.
internal_mail_filter_classes(empty)
What categories of Postfix-generated mail are subject to before-queue content inspection by
non_smtpd_milters, header_checks and body_checks.
mail_name(Postfix)
The mail system name that is displayed in Received: headers, in the SMTP greeting banner, and in
bounced mail.
max_idle(100s)
The maximum amount of time that an idle Postfix daemon process waits for an incoming connection
before terminating voluntarily.
max_use(100)
The maximal number of incoming connections that a Postfix daemon process will service before
terminating voluntarily.
notify_classes(resource,software)
The list of error classes that are reported to the postmaster.
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(see'postconf-d'output)
A prefix that is prepended to the process name in syslog records, so that, for example, "smtpd"
becomes "prefix/smtpd".
Available in Postfix 3.0 and later:
smtputf8_autodetect_classes(sendmail,verify)
Detect that a message requires SMTPUTF8 support for the specified mail origin classes.
Available in Postfix 3.3 and later:
service_name(read-only)
The master.cf service name of a Postfix daemon process.
Available in Postfix 3.6 and later:
enable_threaded_bounces(no)
Enable non-delivery, success, and delay notifications that link to the original message by
including a References: and In-Reply-To: header with the original Message-ID value.