test_file msg_02.txt msg_02.txt --set-param=X-Test:test:set
test_file msg_02.txt msg_02-1.txt --set-param=X-Mailer:test=set
test_file msg_02.txt msg_02-1.txt --set-param=X-Mailer:test:set
test_file msg_02.txt msg_02.txt --set-param=X-Test:test:set
test_file msg_02.txt msg_02-1.txt --set-param=X-Mailer:test=set
test_file msg_02.txt msg_02-1.txt --set-param=X-Mailer:test:set