Environment:
Exchange 2010 SP2.
Scenario 1:
1. Create a password encrypted zip file using WinZip
2. Send it from outside to Exchange
3. It was successfully delivered
Scenario 2:
1. Create a password encrypted zip file using WinRAR
2. Send it from outside to Exchange
3. Attachment was remove by Attachment Filtering Agent running in edge server
Anyone faced same issue? And why?
PS The 2 .zip file contains the same file which is plain text