Concede your point, it was DMARC that said kill it for the LinkedIn.com domain.
Aloha, Michael. -- Michael J Wise | Microsoft | Spam Analysis | "Your Spam Specimen Has Been Processed." | Got the Junk Mail Reporting Tool ? -----Original Message----- From: John R Levine [mailto:jo...@taugh.com] Sent: Thursday, February 4, 2016 5:59 PM To: Michael Wise <michael.w...@microsoft.com> Cc: mailop@mailop.org Subject: RE: [mailop] Gmail throttles anyway > If it's a mailing list, the traffic is not simply passing thru. Since the > message is being modified, the signature should at the very least be > deactivated. For the third time, why? The RFC says it doesn't matter. I believe it goes into the junk, but I don't believe it has anything to do with a broken DKIM signature. R's, John >> If you're going to do something that will break the DKIM signature as a >> matter of course, >> You should remove the DKIM signature, and maybe re-sign it with your own. >> >> You shouldn't break the signature and then forward what was once goodmail >> with a now busted signature. > > Au contraire. You should always preserve all the signatures to make it > easier to figure out what happened if there's some sort of trouble down > the line. > > Since the spec says that there is no difference in message handling for a > broken signature and one that's not there, could you be more specific > about why you think it's important to make forensics harder? > > Signed, > Confused > > PS: See RFC 6376, section 6.1: > > Survivability of signatures after transit is not guaranteed, and > signatures can fail to verify through no fault of the Signer. > Therefore, a Verifier SHOULD NOT treat a message that has one or more > bad signatures and no good signatures differently from a message with > no signature at all. > > ... > > In the following description, text reading "return status > (explanation)" (where "status" is one of "PERMFAIL" or "TEMPFAIL") > means that the Verifier MUST immediately cease processing that > signature. The Verifier SHOULD proceed to the next signature, if one > is present, and completely ignore the bad signature. > > Regards, John Levine, jo...@taugh.com, Taughannock Networks, Trumansburg NY Please consider the environment before reading this e-mail. _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
