SWIFT Acknowlegment handling

Hi,

recently working with Biztalk 2009 SWIFT and encounter some problem

Previously I am working fine with my testing of SWIFT Message MT320 (testing on Biztalk without connect to SWIFT Alliance server), with the header below:

{1:F01BIBDBNB0AXXX0113003564}{2:O3201522130226BIBDBNB0AXXX01130019291302261522N}{3:{108:010033-I093}}{4:

But the problem come in after I do another round of testing with SWIFT Alliance server, because the header had extra line (which is the acknowledgement message), and my Send Port are not reading the header below:

{1:F21BIBDBNB0AXXX0113003564}{4:{177:1302261523}{451:0}}{1:F01BIBDBNB0AXXX0113003564}{2:O3201522130226BIBDBNB0AXXX01130019291302261522N}{3:{108:010033-I093}}{4:

Where and how should I config in order for my send port to process this message? Do I really need to setup FRR? (recently FRR is not setup yet)

Many thanks