Hello, As far as I am aware, this will only include addresses specified in your mx record(s), thus emails being forwarded by the mailing list will still fail. I can not check this personally as I am yet to fix my spf validation on my email server, and thus I can only check your dkim signature. The results from my email server is: dkim=pass The results from lists.archlinux.org is: spf=pass dkim=pass This I assume you will need to add an include on lists.archlinux.org in order to not fail spf when the email is forwarded to members subscribed to the list: include:lists.archlinux.org However despite me having it in my spf record, and testing it against lists.archlinux.org A and AAAA records, I am still getting spf fails even though it shouldn't be failing! Hope this helps, Polarian