Forum Discussion
Exchange Online block mail with PDF attachment using metadata.
Hi Guys,
I want to block specific PDF files that metadata contain specific data.
I have checked documentation but found only how to block file extenstion using ETR.
I don't want to block all mails with PDF attachments, only some that metadata will contain specific data.
Is there posibility to do that using EXO?
BR,
Zakon
4 Replies
- Hi Zakon,
Exchange Transport Rules are kind of limited.
There is no other way of writing complex Message Filters to catch such Mails as you would like.
So the short answer is: no - you can't do that with Exchange Online.
Kind Regards
Andres Bohren"There is no other way of writing complex Message Filters to catch such Mails as you would like."
Which tool should I use to create these filters? Is there any native MS solution that I can use?
BR,
Zakon
- Hi Zakon,
The Question is what exactly are you trying to archieve?
You could use "Defender for Office Plan1/2" and use the SafeAttachments Functionality.
As i said, there is no native possibility in Exchange Online.
I know that some customers use Cisco Email Security Appliance (ESA) to write custom Filters. But that's not trivial.
Regards
Andres Bohren
