opendmarc(8) System Manager's Manual opendmarc(8) (NAME) opendmarc - DMARC MTA (SYNOPSIS) opendmarc [-A] [-c configfile] [-f] [-l] [-n] [-p socketspec] [-P pidfile] [-t file[,file[...]]] [-u userid[:group]] [-v] [-V] (DESCRIPTION) opendmarc DMARC . opendmarc milter 8.11 sendmail(8) DMARC MTA milter . ( ) . -c . opendmarc DMARC Authentication-Results . DKIM SPF . (OPTIONS) -A . fork(2) . . opendmarc.conf(5) . -c configfile . opendmarc.conf(5) . . OPERATION . /etc/opendmarc/opendmarc.conf . -f opendmarc . . -l syslog(3). -n . 0 . -p socketspec sendmail(8) . socketspec : local:path (UNIX domain socket) path inet:port[@host] inet6:port[@host] TCP port . host IP . local . IP . . -P pidfile (PID) . -t file[,file[,...]] . MTA . -u userid[:group] userid . userid group . FILE PERMISSIONS . -v ( -t ). . -V (canonicalization) . (SIGNALS) SIGUSR1 . . ( ) : AutoRestart (-A), AutoRestartCount, AutoRestartRate, Background, MilterDebug, PidFile (-P), Socket (-p), UMask, UserID (-u). . (VERSION) 1.4.2 opendmarc . (COPYRIGHT) Copyright (c) 2012, The Trusted Domain Project. All rights reserved. (SEE ALSO) opendmarc.conf(5), sendmail(8) Sendmail Operations Guide RFC4408 - Sender Policy Framework RFC5321 - Simple Mail Transfer Protocol RFC5322 - Internet Messages RFC5451 - Message Header Field for Indicating Message Authentication Status RFC6376 - DomainKeys Identified Mail RFC6591 - Authentication Failure Reporting Using the Abuse Reporting Format The Trusted Domain Project opendmarc(8)