I use rspamd.
replyThis might be a little heavy if you’re solely looking for DMARC validation, but I use the other parts of rspamd as well for inbound email.
https://rspamd.com/modules/dmarc/
For a library, I mainly write Go and I use https://github.com/emersion/go-msgauth (formerly known as go-dkim).
Url seems to be https://docs.rspamd.com/modules/dmarc/
replyThanks for the correction. I guess I had a mis-paste that stripped out the leading part of the hostname... weird.
replyThis just brought back bad memories of websites manipulating the clipboard when copying text. The ones that append the website attribution with full URL is a crime against humanity.
replyIndeed opendmarc seems practically abandonware.
replyrspamd is what I use.
That is good to know. I thought it was maintained by Valimail?
replyWe use sendops.dev for that and the rest of reputation management on AWS.
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