服务器在“电子邮件 > 预览摘要”上出现 500 错误

[JammyDodger]

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?

Customize and style the Discourse outer email template

All emails sent from your site are wrapped in an HTML template that can be customized from the Admin / Customize / Email Style section of your site. [image] If you look at the default markup that is displayed in the editor, you will see an %{email_content} placeholder in the markup’s body section. When emails are sent from Discourse, the content of the email will be substituted for this placeholder. You can make any changes that you like to the template as long as you do not remove this p…