USE CURL TO MAKE AN IDENTICAL SOAP MTOM REQUEST MADE BY SOPAUI

I attach a little sopaui project that generate a SOAP request with MTOM attachment. The endpoint adopt the basic preemptive authorization. I have a bash script test_mtom that try to MAKE AN IDENTICAL AN WORKING SOAP request, but fails.My goal is to find someone that can make the test_mtom working. Attached files
SOAPUI_ERR.TXT soapui log of a failed request caused by missing "preemptive_authorization"
SOAPUI_ERR.OK soapui log of a OK request
test_mtom the script that generates my request
test1.xml the request attachment
envelope.txt the envelop used by test_mtom to create the request
SOAPUI project