Mail Server : Set DMARC Checking2024/07/17

# line 28 : uncomment and change
# name that appears in the Authentication-Results header
# use the server hostname in the [HOSTNAME] specification
AuthservID HOSTNAME

# line 169 : to enable failure report generation, uncomment and change to [true]
# if [true], generate failure reports if the sender requests them
# * on this example, proceed with the default setting [false]
# FailureReports false

# line 235 : uncomment and change
# skip checking for SMTP AUTH authenticated clients
IgnoreAuthenticatedClients true

# line 259 : uncomment
# list of hosts to skip checking
IgnoreHosts /etc/opendmarc/ignore.hosts

# line 317 : uncomment and change
# if [true], reject message if DMARC evaluation fails
RejectFailures true

# line 345 : uncomment and change
# reject messages if their headers do not comply with RFC5322
RequiredHeaders true

# line 418 : specify the trusted [authserv-id]
# if [HOSTNAME] is specified, it will be replaced with the server hostname
# if multiple entries are specified, separate them with commas
TrustedAuthservIDs HOSTNAME

# create new file
# list hosts to skip
127.0.0.1
::1

# add opendmark to [smtpd_milters]
smtpd_milters = unix:/run/opendkim/opendkim.sock, unix:/run/opendmarc/opendmarc.sock
non_smtpd_milters = $smtpd_milters
milter_default_action = accept