I have just received an email from this forum notifying me on a new post on an existing thread.

A couple of things:

Here's an image of the email

The link to Lost password gives this:

but if I try and forward the email I get this in the headers:
Subject: [Forums] Someone else commented after you on "Auto upgrade failed"
Date: Fri, 31 Jul 2020 04:58:01 +0000
From: b2evolution.net <b2evo-noreply@b2evolution.net>
To: ****