The error happens on the remote end, so it's hard to say what the remote end is getting from "postman" that is missing from your code.
Maybe the file Hello.txt doesn't exist where you think it should?
Maybe you can dump the request that is sent from your Perl code (see LWP::Debug) and compare it to the data that "postman" sends.
In reply to Re: Attempting to POST a file to local server
by Corion
in thread Attempting to POST a file to local server
by cookersjs
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