@faizanzahid That is a good question. I do not know, I have not upgraded my forum in quite a while. I am many revisions of NodeBB behind. 😮
Netgate forum email notification (message-id)
is it possible to configure email forum notification to conserve the same message ID for the notification of a same topic.
I receive a lot of email and not being able to sort them by thread in my mailer is a problem (and worst on mobile phones mailer).
See here for original post.