# "Discourse::NotFound" error when click "Email Type" field on admin/email/bounced

**URL:** https://meta.discourse.org/t/discourse-notfound-error-when-click-email-type-field-on-admin-email-bounced/176011
**Category:** Self-hosting
**Tags:** email
**Created:** [January 13, 2021, 7:26pm UTC](https://meta.discourse.org/t/discourse-notfound-error-when-click-email-type-field-on-admin-email-bounced/176011 "2021-01-13T19:26:24Z")
**Posts on this page:** 1
**Showing post:** 16

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### Author: ![nathank](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/nathank/32/290039_2.png) [@nathank](https://meta.discourse.org/u/nathank)
#### Post date: [February 23, 2023, 4:12pm UTC](https://meta.discourse.org/t/discourse-notfound-error-when-click-email-type-field-on-admin-email-bounced/176011/16 "2023-02-23T16:12:50Z")

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I’ve got the same issue with Mailgun. Different host, so it isn’t that!

I wonder if there is a problem with the Mailgun config instructions for VERP setup:

> [@Configure VERP to handle bouncing e-mails](https://meta.discourse.org/t/configure-verp-to-handle-bouncing-e-mails/45343#mailgun-1):
>
> Setting up bounces handling Discourse uses the [Variable envelope return path (VERP)](https://en.wikipedia.org/wiki/Variable_envelope_return_path) technique to handle bouncing e-mails. To enable VERP, set the “reply by email address” site setting with an email address template that uses the + sign. The default of replies+%{reply\_key}@discourse.example.com … works fine. If you are using your own or your company’s email server, then, that’s it tada Your discourse instance must be able to receive email sent to this address. This should work via POP, bu…

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