MT's response

SixApart finally responded to my query about MT on users. Of course, this isn’t the answer I wanted to hear, but it is their decision. Comments solicited from y’all
Message follows….
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Thank you for your email and sorry for the delay in response.
I understand your situation and we by no means want to shut anyone down.
However, since you are hosting MT for others, you would need a license. But
I think the best way to avoid too much cost would be for each user to have
their own version registered with us. As long as they are personal, then
they can each download for free. I hope this helps.