Re: (DMARC) Why mailing lists are only sort of special

>At least in the back-of-the-envelope scheme I suggested, the receiver 
>doesn't need to distinguish mailing lists: The originator's system finds 
>out where the mail is going, gets some information from the destination, 
>and signs that and sends it with the message. The mailing list sends 
>that along to the recipients. When my (one of the recipient's) server 
>looks at that info, it determines that the originator sent the message 
>directly to the mailing list, and I can tell that the mailing list sent 
>it to me.

I still think it has security holes but it's worth arguing about, so
I'll follow up on ietf-822, which seems relevant and hasn't been very
busy.

R's,
John

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