El día sábado, marzo 12, 2022 a las 11:12:49a. m. +0000, Claus Assmann escribió:
> On Fri, Mar 11, 2022, Stefan Hagen wrote: > > > > > 550-5.7.26 This message does not have authentication information or > > > > fails to > > > Authenticated in this context means, you don't have SPF / DKIM / DMARC set > > up. > > [more off-topic/rant] > Isn't it nice how Google et.al. enforce things which are > neither mandatory nor really useful to "fight spam"? > All the spam I get at $WORK is from gmail and it has passed > all of those "requirements" -- but the "investment"/"loan"/... > spam/scams are not filtered at all by Google themselves > (hey, why should they do outbound spam filtering? it cost them money > and why should they care? it's not like anyone important would block > gmail -- but Google rejects mail coming to them due to bogus reasons). > > "Solution": ask gmail users to switch to other services which do > not have so many "false positives". > > PS: maybe there is an option in gmail for users to whitelist senders > from whom they want to receive mail? As more and more of my mails, also to friends could not reach them @google.com, I studied the DNS record for SPF a bit and came up with this single line in my DNS: @ TXT v=spf1 ip4:178.254.4.101 include:unixare.de -all and all is fine now. matthias -- Matthias Apitz, ✉ g...@unixarea.de, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub Schluß mit dem (Wirtschafts-) Krieg gegen Rußland! Schluß mit den Sanktionen! Druschba / Дружба mit Rußland statt NATO-Krieg gegen Rußland!