Some users report, that they don’t get some emails from our discourse instance. We are using “mailing list mode”. I tried to analyze one specific occurrence: approximately four out of 117 users of a group reported that they did not get a given mail. The other people did get the email. The affected u…

Are you hosted? Talk to your host. If self-hosted, who is your email sending provider? Have you looked at your logs there?

Yes that is true. I used a coding agent to summarise when emails are suppressed in mailing list mode: - The user muted the topic, category, or one of its tags. - The user muted or ignored the author. - The user cannot access the post - for example, it is in a restricted category. - The account is …

[image] merefield: I used a coding agent to summarise when emails are suppressed in mailing list mode: Thanks, as an admin I mocked the user and I’ll go to each of it to debug the case: General: mailing list mode is activated in the user settings (via global setting) [image] merefield: …

How to debug email sending issues? (some recipients don't get some emails)

Product Support

sjjh (Simon) September 30, 2026, 7:18am 3

self hosted. Shouldn’t I see the email as mentioned in the mail protocol under sent, if it was forwarded to our email provider (it’s Strato)?

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How to debug email sending issues? (some recipients don't get some emails)

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