Generally an interoperability issue / problem.
As I do not yet know much about MTOM / SwA I know that a .Net WCF binding is a set of binding elements binding elements have to be added to the binding in a given order One of the binding elements defines the required encoder The encoder can be either of type a) TextMessageEncodingBindingElement b) BinaryMessageEncodingBindingElement c) MtomMessageEncodingBindingElement So there is no encoder for SwA. To be 100% correct informed, I woulk suggest to ask this question in the Microsoft MSDN WCF forum under http://social.msdn.microsoft.com/Forums/en-US/wcf/ Josef Von: Yashwanth Rajaram -X (yrajaram - ZENSAR TECHNOLOGIES INC at Cisco) [mailto:yraja...@cisco.com] Gesendet: Freitag, 13. Januar 2012 20:00 An: axis-u...@ws.apache.org Betreff: MIMEBoundary after enabling MTOM Hi All, I have two questions on attachments in Axis2 - would appreciate any thoughts/pointers/answers. 1. Until recently our Axis based service implementation was not supporting attachments. We now enabled attachments support by enabling MTOM/SwA in our service.xml. After this we see that whether our clients send attachments or not they always get the response along with a new MIME boundary header like the one below which seems to break their code that was build earlier when we were not supporting attachments: MIMEBoundaryurn_uuid_26DB12B4E6FE9133A11318962816779 Content-Type: text/xml; charset=UTF-8 Content-Transfer-Encoding: 8bit Content-ID: <0.urn:uuid:26db12b4e6fe9133a11318962816...@apache.org> How to support attachments without affecting our end clients? 2. We also gathered that Microsoft .Net clients cannot communicate using SwA; so we were told that the only way attachments can be supported by us is by using MTOM. Is this true? thanks, -- Yashwanth