Ropemaker exploits - Outlook / EOP

Occasional Contributor

I was wondering if Outlook client blocks external css in HTML emails or Does EOP stipe out external css (link tag) from HTML emails ?. This is to protect inboxes from Ropemaker exploits. Whilst ATP's safelink can provide protection against malicious links and attachment, i was wondering if we have any other option to block external CSS in HTML emails in O365/EXO.


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