- or move the recent mails (since Sep.04 or so) from the INBOX to various new, empty mail folders and narrow it down like this

What about this ?
how many emails do you have in your inbox ?

Hi inthewildteam,
what’s the point of this… ? ???

avast should still find the script-virus in the INBOX (this time TB’S Inbox); and he would still not know which mail it is…