Nobody has ever been able to describe to me a halfway plausible
scenario in which the final recipient would need the original
signature rather than the list signature to prevent abuse, but this is
way afield of the DMARC issues.
John, what if I need to assign spam/abuse/etc scores to the following
messages?
1) I got a <message possibly from John Doe> coming through <well known
mailing list>.
2) I got a <message from John Doe> coming through <[likely] well known
mailing list>.
Which one will less likely be spam?
I don't understand your punctuation, but when I get mail from a list with
a list signature I recognize, I just deliver it because it's never spam.
Here's a little thought experiment:
Your user subscribes to the digest version of a list. When you get mail
from it, do you unpack the messages and check each included message for a
signature, or do you just see the list's signature on the digest and
deliver it?
Now he subscribes to the same list, but with individual messages. Do you
handle the mail differently? If so, why?
Regards,
John Levine, [email protected], Taughannock Networks, Trumansburg NY
"I dropped the toothpaste", said Tom, crestfallenly.
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