# Server 500 Error on "Emails \> Preview Summary"

**URL:** https://meta.discourse.org/t/server-500-error-on-emails-preview-summary/276181
**Category:** Support
**Created:** [August 22, 2023, 1:18pm UTC](https://meta.discourse.org/t/server-500-error-on-emails-preview-summary/276181 "2023-08-22T13:18:21Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![JammyDodger](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jammydodger/32/254611_2.png) [@JammyDodger](https://meta.discourse.org/u/JammyDodger)
#### Post date: [August 22, 2023, 1:47pm UTC](https://meta.discourse.org/t/server-500-error-on-emails-preview-summary/276181/4 "2023-08-22T13:47:42Z")

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Hmmm. 🤔 I’m not sure. I’m afraid customising email isn’t my forte, but if you spin up a new support topic it should get more eyes on it. 👍

There’s also a guide that may be useful?

> [@Customizing the Discourse outer email template](https://meta.discourse.org/t/customize-and-style-the-discourse-outer-email-template/153637):
>
> bookmark This guide explains how to customize and style the outer HTML template for all emails sent from your Discourse site. person_raising_hand Required user level: Administrator All emails sent from your site are wrapped in an HTML template that can be customized. This guide covers: Accessing the email style customization section Modifying the HTML template Adding custom CSS Testing email templates Reverting changes A custom template example Interaction with digest emails Changing …

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_[View the full topic](https://meta.discourse.org/t/server-500-error-on-emails-preview-summary/276181)._