In article <154100817740.5314.5936662570396773189@xxxxxxxxxxxxxx> you write: >Reviewer: Linda Dunbar >Review result: Ready > >I have been assigned to review draft-ietf-dmarc-rfc7601bis-03 on behalf of the >ops directorate. This document specifies a message header field called >Authentication-Results for use with electronic mail messages to indicate the >results of message authentication efforts. > >The document is written very clear. The only question I have is if the >mechanism described in the document are actually used by popular mail-server, >such as Microsoft Outlook? Gmail, Yahoo, and AOL all add Authentication-Results headers to incoming mail. Outlook is a mail client. Dunno what their Exchange servers do. R's, John