Lately I have observed that Encrypted (Password protected) attachments are getting quarantined as "Suspect" under the policy rule "Quarantine mail containing suspicious attachments".
The file types are quarantined are,
* Microsoft excel .xlsx or .xls
* Zip archives .zip
My users are used to send password protected excel files as a precaution on files containing sensitive data such as account details, etc.
This is a recent development and I am pretty sure that this was not enforced previously on these type of attachments. Encrypted PDF documents are still passing through without any issues. I wonder if anyone else have come across this and I strongly believe this change should not have been made.
Kind regards,
Pubudu.
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