OpenDMARK Check (Ubuntu 18.04)
Noch in Bearbeitung
Installation
sudo apt-get install -y opendmarc
Bei der Frage Configure database for opendmarc with dbconfig-common? die Antwort NEIN wählen.
Konfiguration
Die Datei
sudo vi /etc/opendmarc.conf
bearbeiten und folgende Parameter anpassen bzw. hinzufügen:
AuthservID OpenDMARC Socket inet:12345@localhost TrustedAuthservIDs mail1.kirner.or.at ## Optional #RejectFailures true ## You may want OpenDMARC to ignore SMTP clients that are successfully ## authenticated via SMTP AUTH. IgnoreAuthenticatedClients true ## This will reject emails that don't conform to email header standards ## as described in RFC5322. For example, if an incoming email doesn't ## have From: header or date: header, it will be rejected. RequiredHeaders true ## This will cause OpenDMARC to perform a fallback SPF check itself when ## it can find no SPF results in the message header. SPFSelfValidate true
Zum Abschluss den Service neustarten:
sudo systemctl restart opendmarc.service
Postfix
sudo vi /etc/postfix/main.cf
Links
https://www.linuxbabe.com/mail-server/opendmarc-postfix-ubuntu
https://blog.schaal-24.de/mail/dmarc-check-unter-debian-wheezy/
https://blog.schaal-24.de/mail/dmarc-reports-erstellen/
http://www.postfix.org/MILTER_README.html
http://www.trusteddomain.org/opendmarc/
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