We use discourse to replace mailing lists. It seems, that if a user sends an email to two categories (e.g. cata@example.tld and catb@example.tld via mail-in to start a new thread, only in the first category cata a new post is made and the post for the second category catb is silently discarded. I wo…

You have to send two separate messages. The message id is used to connect the message to the topic. Topics cannot be in more than one category.

I think you could try tweaking allow duplicate topic titles: [allow duplicate topic titles] And I think if it’s one email but with two category ‘recipients’ you may also need to reduce unique posts mins: [unique posts mins] You could give those a try and see if that helps? Though clicking on…

[image] JammyDodger: this guy tried it out last year and didn’t get very far… I tried right now with the proper settings and only one topic was created. :pensive: [image] [image]

I can follow the (technical) reasoning/limitations, and at the same time the use case is there. Not sure if it’s worth to open a feature request…?

I could be very wrong (I don’t know much about Discourse code), but my feeling says it wouldn’t be a simple change, and I believe it’s the first time such a feature has been asked. Every feature started with a first message, though. I also think it’s an edge case. You can still ask for it, of cours…

[image] Jonathan5: Sending the same email to multiple email lists is quite common (e.g. to a low-traffic announcement-only list and a high-traffic discussion list) In that case, no one will be expecting to be able to reply to the announcement and have it go to the announcement list and the di…

[image] Jay Pfaffman: In that case, no one will be expecting to be able to reply to the announcement and have it go to the announcement list and the discussion list, so sending two separate messages, while annoying, doesn’t interfere with the desired behavior. In that example, the person send…

Allow same posting via mail-in to more than one category?

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Jonathan5 June 15, 2023, 1:42pm 8

Sending the same email to multiple email lists is quite common (e.g. to a low-traffic announcement-only list and a high-traffic discussion list) and some people want to replicate that on a forum. I’m sure it’s been mentioned here a few times, though this is the only exact match I found today:

Topic		Replies	Views
Email-in to multiple categories Support email	25	3469	March 14, 2022
Start multiple email topics at once using gmail aliases Support	5	701	July 25, 2020
Topics with same title, generated from mail Support	8	1111	September 15, 2020
Mailing list - to a topic Support	12	1131	May 17, 2021
Anon email-in should be able to add multiple posts to a topic Feature	5	1512	December 4, 2025

Allow same posting via mail-in to more than one category?

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