#opendmarc — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #opendmarc, aggregated by home.social.
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Think I *may* have got Postfix / OpenDKIM / OpenDMARC playing well together
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After putting up with spam for months (which almost always went in my junk folder), I've finally got OpenDMARC and Postfix working together to sort it out.
Already seen two rejections.
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I've ranted before about #DMARC and whether it's worth private mail-server admins implementing.
Today's rant: the reference implementation, https://github.com/trusteddomainproject/OpenDMARC, has been abandoned for ~4 years, and its maintainers, http://www.trusteddomain.org/, are completely AWOL.
Linux distro maintainers have had to do proxy maintenance themselves, picking and choosing patches from pull requests submitted to the project to add to their distributions.
This sucks.
#FOSS #SMTP #OpenDMARC #TrustedDomainProject -
In case you missed CVE-2023-42118 or think it does not apply because you do not use #Exim: the bug is in libspf2 and the fixes are available at https://github.com/shevek/libspf2/pull/44 and https://github.com/shevek/libspf2/pull/47 If you use #opendmarc with #libspf2 then make sure to rebuild it after rebuilding libspf2. Or just install your distro's updates #security #devops
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Three billion phishing emails sent each day make #DMARC critical for today's mail servers, says #ZDNet -- that's right, and thanks to an early grant from Euro-NGO #NLnet it's long been available via #OpenDMARC https://www.zdnet.com/article/three-billion-phishing-emails-are-sent-every-day-but-one-change-could-make-life-much-harder-for-scammers/