>>>>> "b" == benny <firstname.lastname@example.org> writes:
b> I've recently come across a problem with command words causing
b> posts to bounce as admin requests.
Then you must have 'administrivia' turned on in your list's config file.
b> The word "s**scribe" within the text of a message sent to an unmoderated
b> list, caused that post to bounce to me as a subscription attempt.
No, it bounced to you as a possibly misdirected list subscription attempt.
You are supposed to read the message and decide if it's a legitimate
message or if a clueless user has sent a list command to the wrong
address. If you want the message to go through, approve it.
b> Is this normal?
It is if you turned it on. Look at your list configuration.