Yes, sigh, I know, again. 1.7 breaks the workaround we had for Mac Mail threading, namely always including “Re:” at the start of the subject Setting for email subject Re: [%{site_name}] %{optional_pm}%{topic_title} Unfortunately, Discourse 1.7 sensibly does not include an “In-Reply-To” on the fir…

The logic was flawed… Hopefully I got it right this time :blush: https://github.com/discourse/discourse/commit/82555ca7612e497df31f9f4fc6969049a9887988 @peternlewis , can you let me know if it works for you?

[image] peternlewis: Setting for email subject Re: [%{site_name}] %{optional_pm}%{topic_title} Wait, so this setting no longer works? I’m not totally clear what is being reported here.

[image] peternlewis: Unfortunately, Discourse 1.7 sensibly does not include an “In-Reply-To” on the first post, and this results in the first post being threaded separately from the replies in Mac Mail. It doesn’t make sense to have the first post be a reply of… nothing… Are you sure Mac Mai…

I believe in previous dicussions it was established that yes, it uses the dumb Re: text presence in the title above all else. It is deeply and profoundly dumb, but it is the status quo for Mac mail, unfortunately.

I thought that the point of this topic was making the Re: always there wasn’t working anymore?

Yup, that’s what I’ll test and fix if needed.

OK, let me try to be more clear on what I was and am seeing. The only way I have found to get Mac Mail to thread Discourse properly is: Subject always starts with “Re:” (even the first message). Mail messages have an “In-Reply-To” header (even the first message). Discourse 1.7 “fixes” the second…

I am not a Mac user and opposed to the idea to break Discourse in order to help those that use a broken Mail app. “Re” has a meaning and if you just use it always, it does not have any meaning anymore. I suggest to push Apple to fix their software or use other software.

[image] rriemann: I am not a Mac user and opposed to the idea to break Discourse in order to help those that use a broken Mail app. No worries. I’m not planning on breaking anything :wink: Just making sure overriding the email subject works.

I did not suggest breaking Discourse. Discourse already supports configurable subjects, and thus has no problem with the hack to always include the “Re:” instead of optionally including the “Re”. I’m very glad that not everyone has to care about having a large number of Mac Mail readers, and it mu…

Mac Mail Threading

Product Support

zogstrip January 23, 2017, 10:09am 5

I’ll make some tests (and fix if needed) to ensure the title doesn’t change.

Topic		Replies	Views
Threading broken in Apple Mail on the Mac and in iOS Product Support	4	1470	June 21, 2019
Message threading in Mail.app Product Support	7	2393	February 9, 2016
Discourse Emails not threaded properly in some Email clients Product Support	12	5176	December 3, 2016
Email notifications not grouping nicely in Mail.app Feature	11	3601	October 14, 2015
Threading for email-only topics seems broken Product Support	4	1367	November 9, 2017

Mac Mail Threading

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