I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comment. For background on Gen-ART, please see the FAQ at <http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq> Document: draft-ietf-dmarc-interoperability-15 Reviewer: Peter Yee Review Date: June 3, 2016 IETF LC End Date: June 3, 2016 IESG Telechat date: June 16, 2016 Summary: This draft is basically ready for publication as an Informational RFC, but has some nits that should be fixed before publication. [Ready with nits] This draft catalogs many of the interoperability issues that DMARC-using systems may encounter when processing indirect email flows. It suggests a variety of remedies for these issues, while acknowledging that these solutions may not be universally usable or that they may introduce other issues. Major issues: None Minor issues: None Nits: Page 3, Section 1, 1st paragraph, last sentence: append a comma after "transformation". Page 3, Section 1, 2nd paragraph: change the first "RFC7489" to "RFC 7489". Page 4, Section 1.1, 2nd paragraph: replace "secton" with "section". Page 4, Section 2, 1st paragraph: change "DMARC based" to "DMARC-based". Page 6, 2nd full paragraph: delete the commas in "if, and only if,". Page 7, 1st bullet item, 1st sentence: insert "a" before "different". Change "orignal" to "original". Page 7, Section 2.3, 3rd paragraph, 2nd sentence: change "accomodate" to "accommodate". Page 9, Section 3.1.2.1, 2nd paragraph, 1st sentence: change "semiotically equivalent" to "semiotically-equivalent". Page 11, Section 3.2.1, 2nd paragraph, 1st sentence: append a comma after "e.g.". Page 11, Section 3.2.1, 3rd bullet item: change "activity based" to "activity-base". Change "role based" to "role-based". Change "long term" to "long-term". Page 13, Section 3.2.4, 3rd paragraph: swap the order of "share" and "also". Page 14, 5th bullet item, last sentence: append a comma after "DKIM". Page 14, section 4: I suspect you want "processes" instead of "processors". Page 15, 3rd full paragraph, 2nd sentence: change "counter productive" to "counterproductive" and drop the comma following the word). Page 16, Section 4.1.1.1, 3rd bullet item: change "DKIM sign" to "DKIM-sign". Insert "a" before "DKIM-based". Page 16, Section 4.1.1.1, 5th bullet item, 2nd sentence: change the "a" before "RFC5322.Reply-to" to "an". Page 16, Section 4.1.1.1, 6th bullet: append a comma after "functionality". Change "well formed" to "well-formed". Page 17, Section 4.1.3, 2nd paragraph, 1st sentence: change "fields name" to "field names". Page 19, 2nd bullet item, 3rd sentence: delete the comma. Page 20, 1st bullet item: change "Third party" to "Third-party". Page 21, 1st full paragraph: change "vis a vis" to "vis-à-vis". Skip the accent over the 'a' if it is a problem. Change "third party" to "third-party". Page 21, Section 7: delete the extra spaces in Turnbull and Sonneveld's names. (Double space after each initial.) Append a comma after "Draegen".