Hello,That is weird because I keep getting spammed with DMARC failures every single time I post to the arch linux mailing lists.
Also as for checking the spf on my mail, I do not currently validate spf on incoming mail, this is a severe issue which I am working on fixing, thus I can not tell you whether it is passing SPF or not, all I know is it passes DKIM (I checked the DKIM signatures of your emails).
Thanks, Polarian
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