Rule email Attachment Password bypass xls

Tien Ngo Thanh
Regular Contributor


    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 Replies

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.

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

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