Re: WSJ/gmail/ML, was a permission to...
Dave Crocker <[email protected]> Sun, 04 May 2014 08:29:49 -0700
| Newsgroups | gmane.ietf.rfc822 |
|---|---|
| Organization | Brandenburg InternetWorking |
| Message-ID | <[email protected]> |
On 5/4/2014 6:32 AM, Arnt Gulbrandsen wrote: > I may be stupid here, but why does dmarc even apply to messages with a > List-Id? Right now I can't think of any case where it makes sense to use > both List-Id and DMARC. It's an appealing thought, but it seems to be a security holoe: A spammer wishing to use a domain name covered by dmarc would merely need to include a List-ID header field, to disable dmarc processing by a receiver... d/ -- Dave Crocker Brandenburg InternetWorking bbiw.net _______________________________________________ ietf-822 mailing list [email protected] https://www.ietf.org/mailman/listinfo/ietf-822