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## BASIC OPENDKIM CONFIGURATION FILE
## See opendkim.conf(5) or /usr/share/doc/opendkim/opendkim.conf.sample for more
## BEFORE running OpenDKIM you must:
## - make your MTA (Postfix, Sendmail, etc.) aware of OpenDKIM
## - generate keys for your domain (if signing)
## - edit your DNS records to publish your public keys (if signing)
## See /usr/share/doc/opendkim/INSTALL for detailed instructions.
## DEPRECATED CONFIGURATION OPTIONS
##
## The following configuration options are no longer valid. They should be
## removed from your existing configuration file to prevent potential issues.
## Failure to do so may result in opendkim being unable to start.
##
## Removed in 2.10.0:
## AddAllSignatureResults
## ADSPAction
## ADSPNoSuchDomain
## BogusPolicy
## DisableADSP
## LDAPSoftStart
## LocalADSP
## NoDiscardableMailTo
## On-PolicyError
## SendADSPReports
## UnprotectedPolicy
## CONFIGURATION OPTIONS
## Specifies the path to the process ID file.
#PidFile /run/opendkim/opendkim.pid
## Selects operating modes. Valid modes are s (sign) and v (verify). Default is v.
## Must be changed to s (sign only) or sv (sign and verify) in order to sign outgoing
## messages.
Mode v
## Log activity to the system log.
Syslog yes
## Log additional entries indicating successful signing or verification of messages.
SyslogSuccess yes
## If logging is enabled, include detailed logging about why or why not a message was
## signed or verified. This causes an increase in the amount of log data generated
## for each message, so set this to No (or comment it out) if it gets too noisy.
LogWhy yes
## Attempt to become the specified user before starting operations.
UserID opendkim:opendkim
## Create a socket through which your MTA can communicate.
#Socket inet:8891@localhost
Socket local:/run/opendkim/opendkim.sock
## Required to use local socket with MTAs that access the socket as a non-
## privileged user (e.g. Postfix)
Umask 002
## This specifies a text file in which to store DKIM transaction statistics.
## OpenDKIM must be manually compiled with --enable-stats to enable this feature.
# Statistics /var/spool/opendkim/stats.dat
## Specifies whether or not the filter should generate report mail back
## to senders when verification fails and an address for such a purpose
## is provided. See opendkim.conf(5) for details.
SendReports yes
## Specifies the sending address to be used on From: headers of outgoing
## failure reports. By default, the e-mail address of the user executing
## the filter is used (executing_user@hostname).
# ReportAddress "Example.com Postmaster" <postmaster@example.com>
## Add a DKIM-Filter header field to messages passing through this filter
## to identify messages it has processed.
SoftwareHeader yes
## SIGNING OPTIONS
## Selects the canonicalization method(s) to be used when signing messages.
Canonicalization relaxed/relaxed
## Domain(s) whose mail should be signed by this filter. Mail from other domains will
## be verified rather than being signed. Uncomment and use your domain name.
## This parameter is not required if a SigningTable is in use.
# Domain example.com
## Defines the name of the selector to be used when signing messages.
Selector default
## Specifies the minimum number of key bits for acceptable keys and signatures.
MinimumKeyBits 1024
## Gives the location of a private key to be used for signing ALL messages. This
## directive is ignored if KeyTable is enabled.
KeyFile /etc/opendkim/keys/default.private
## Gives the location of a file mapping key names to signing keys. In simple terms,
## this tells OpenDKIM where to find your keys. If present, overrides any KeyFile
## directive in the configuration file. Requires SigningTable be enabled.
# KeyTable /etc/opendkim/KeyTable
## Defines a table used to select one or more signatures to apply to a message based
## on the address found in the From: header field. In simple terms, this tells
## OpenDKIM how to use your keys. Requires KeyTable be enabled.
# SigningTable refile:/etc/opendkim/SigningTable
## Identifies a set of "external" hosts that may send mail through the server as one
## of the signing domains without credentials as such.
# ExternalIgnoreList refile:/etc/opendkim/TrustedHosts
## Identifies a set "internal" hosts whose mail should be signed rather than verified.
# InternalHosts refile:/etc/opendkim/TrustedHosts
## Contains a list of IP addresses, CIDR blocks, hostnames or domain names
## whose mail should be neither signed nor verified by this filter. See man
## page for file format.
# PeerList X.X.X.X
## Always oversign From (sign using actual From and a null From to prevent
## malicious signatures header fields (From and/or others) between the signer
## and the verifier. From is oversigned by default in the Fedora package
## because it is often the identity key used by reputation systems and thus
## somewhat security sensitive.
OversignHeaders From
## Instructs the DKIM library to maintain its own local cache of keys and
## policies retrieved from DNS, rather than relying on the nameserver for
## caching service. Useful if the nameserver being used by the filter is
## not local.
# QueryCache yes
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