I do not know specifically BUT are you actually
editing the user's post? If not, perhaps a different form of
moderation would suffice and bypass the problem?
On 4/8/2016 12:25, Erixon-Merritt,
Mignon wrote:
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type="cite">
I have forgotten how to remove "On Behalf of
username" in the header,
so it only shows the listname.
List-Address= List-ID didn’t quite do it.