Already i kept sefe sender list. That same mail can't see attachment tag & attachments in any browser not only that system browser through office 365 web access.
If i configured same account through IMAP in ms-outlook 2007 its working without any problem, but can't working when i configure through MS-EXCHANGE in ms-outlook2007.
as per your reply, a & b ill check and give you reply.
Thanks
Mahesh