Do you support the send-as-is Apache handler?
If not, can you please?
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We don't currently support this on the CATN platform, however we are working on a new version which we hope to launch soon. We could look at adding support for this once it's live.
In the meantime, can I ask what you need it for? I'm not sure if it helps, but you can set additional headers with the php header() function...