None. On two occasions on consecutive weeks they contacted me out of the blue. The project manager (first time) and recruiter (second time) both requested a resume and time to speak. In each case, they ghosted me after I replied to them on the same day. They may be practical jokers.

it was really quickly the whole process along the process Different behavior. Everyone accesses the same mailbox. If someone marks an email as read, others may also see it as read (depending on Outlook settings and synchronization). The email isn't removed just because one person opened it.