In article <66d513ca-f33d-748b-e394-bceb6e1da...@spamtrap.tnetconsulting.net> you write: >-=-=-=-=-=- > >On 05/15/2018 08:15 AM, Kurt Andersen wrote: >> Manipulating MIME structures in email messages to expose the encrypted >> content: https://efail.de/ > >DKIM will not help protect against #Efail. > >Efail works by copying ciphertext into a new message and arranging for >the client to decrypt it. Said new message is devoid of any association >with DKIM.
I suppose, for the 10 seconds from the time the message is created until the attacker's MTA signs it on the way out. The bad guy can put a return address he controls on the malicious message and make the whole thing DMARC compliant. R's, John _______________________________________________ dmarc mailing list dmarc@ietf.org https://www.ietf.org/mailman/listinfo/dmarc