I’ve set up email bouncing with Mailgun as described in Configure VERP to handle bouncing e-mails Most bounces are handled by Mailgun and then processed through the Discourse API. But some bounces are sent directly to the forum on the Return-Path address: bounce+5b6b50.9df4bb-user=domain.com@intf…

[image] Dannii: some bounces are sent directly to the forum on the Return-Path [image] Dannii: Most bounces are handled by Mailgun Why the two different behaviors? What is different here?

I found this explanation which clarified things a little: How can the Return-Path header be different than the actual email bounce recipient? email, spam, email-headers, email-bounces answered by The Surrican on 02:33PM - 05 Sep 13 UTC …

I bet @mpalmer Knows Things™ about this!

Just showing what my admin panel tells me. There are a lot of different subject styles. [Screenshot from my admin panel]

VERP bounce replies ignored when using Mailgun

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codinghorror (Jeff Atwood) May 29, 2019, 12:39am 2

Why the two different behaviors? What is different here?

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VERP bounce replies ignored when using Mailgun

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