[GRLUG] Google & SPF

[Grand Rapids Linux Users Group]

Its a known issue with spf

https://help.returnpath.com/hc/en-us/articles/223242468-How-does-email-forwarding-affect-authentication-results-#:~:text=The%20SPF%20authentication%20check%20almost,the%20original%20sender's%20SPF%20record.&text=DKIM%20signatures%20are%20not%20typically%20impacted%20by%20email%20forwarding
.

On Sun, Jun 5, 2022, 14:07 Grand Rapids Linux Users Group <grlug at grlug.org>
wrote:

> On Sat, 4 Jun 2022, Grand Rapids Linux Users Group wrote:
>
> > Because blocking unauthorized relays (or at least alerting the receiver
> > of mail inbound from them so they can be scored appropriately by
> > recipient spam filters) is one of the main purposes for SPF records.
> > Warm Regards,Kyle Maas
> >
> THe use case is, vor example, grlug.org forwarding email to admin@ to a
> member's email @gmail.com.
>
> Gmail is now blocking that forward *unless* the sending MTA does not have
> "-all" in that SPF record.
>
> The main issue, perhaps, is a valid forward of a user email, vs. an
> unahthorized relay, which could be SPAM?
>
>         TFTR!
> --
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> grlug at grlug.org
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>
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