assignment set to blind marking
on submission the student receives an email eg
From = Participant 324 <noreply@[our domain]
Why is the sender the obscured student ?
This looks wrong in the recipients email client. The From should be the 'system' or 'site' something like
Site Name <[noreplyaddress]> or whatever is set in noreplyaddress (esp if emailonlyfromnoreplyaddress is set to yes which is intended to "If enabled, all email will be sent using the no-reply address as the "from" address. This can be used to stop anti-spoofing controls in external mail systems blocking emails.")
otherwise the From looks to the recipient like a spoof or spam