Hi Benoit
On 14 Mar 2011, at 15:31, Benoit Panizzon wrote:
Hi Oli
A Customer just forwarded me this which is more or less a confirmation that Google (and Sunrise who uses Google Mail Services) do penalize emails from domains with no SPF:
http://www.google.com/support/a/bin/answer.py?hl=de&answer=33786
"Wenn für Ihre Domain kein SPF-Datensatz vorhanden ist, werden Nachrichten von Ihren Nutzern möglicherweise von einigen Empfängerdomains abgelehnt, da nicht bestätigt werden kann, dass die Nachrichten von einem autorisierten Mailserver stammen."
Isn't this the other way round? I think Google wants to tell us, this might happen on some domains ("von einigen Empfängerdomains abgelehnt"), not that they're filtering themselves.
Actually if you look at headers ("Received-SPF" and "Authentication-Results") from e-mails processed by Google, they check SPF but in my experience nothing special happens.
On the other side, it's quite suspicious if one sends e-mails from a host with no reference whatsoever to the domain they're relaying for. For example using your Bluewin account to send messages from @gmail.com. I understand ISPs increasing the spam score on such e-mails, but blocking it would be too much.
Just my 0.02€
Cheers
Is google switzerland reading this list?
Do we really have to start using "v=spf1 +all" to make google accept our emails?
Mit freundlichen Grüssen
Benoit Panizzon
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