I have searched some information about zm9 extension, and I found some ones, but it doesnt answer my doubt. I dont want to change the option INCOMMING or to allow any attached file, however, I want to avoid this format when I need to forward the email with the attach file. The recipients are complaining that they cannot open the file or sometimes it is being sent with zero bytes, even if they have any unzip software such as winrar winzip or whatever other software.
So, How to avoid it? does anyone have any solution for this problem?
Operating System:Windows Vista Business
Product Name:ZoneAlarm Extreme Security