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, ✉ [email protected], 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!
