Anyone knows what is the caused of getting this response in DLR : NACK/1280/Unknown/Reserved
Or NACK/1288/Unknown/Reserved When we do UAT for first time, we got working DLR reponse like this one.. id:3546199716 sub:000 dlvrd:000 submit date:0707261705 done date:0707261705 stat:DELIVRD err:000 text:TARIF 500 After several months, we don't check the delivery status information again. We're surprised to know that the DLR response like above. Is there something in kannel kan fix this problem? Fajar
