Are you using a real user to send welcome messages?

[nathank (Nathan Kershaw)]

也许您可以通过 Rails 控制台使用此方法来完成（我会在安静的时候先进行备份！）：

Change staff email address from console

This guide describes how to change a staff member’s email address from the console using the Rails console. It applies to situations where an administrator needs to update an email without confirmation from the old address. Required user level: System Administrator Console access required In Discourse, for enhanced security, staff members must confirm changes to their email addresses from both the new and old email addresses. However, this creates…