Rule email Attachment Password bypass xls

[Tien Ngo Thanh]

Hello

    I has create a rule email to reject the attachment has password project . Rule work ok with file zip , excel xlsx but when with file xls then it not check and can delivery .

     

[#2]

Well those are two different formats, and my guess is that Exchange doesn't see the xls file as "archive" type, on which a password can be set/checked for.

[#3]

But if try create rule on exchange online and sent xls then it can dectect and reject message .Exchange Local then can not