It is possible to add a message part to a multiplart message which will present a footer under the actual message. This works fine in Mozilla, until the original message was digitally signed. In that case it only shows the footer. (I'll attach a sample message source).
See bug 275470 comment 6. *** This bug has been marked as a duplicate of 275470 ***
Status: NEW → RESOLVED
Last Resolved: 14 years ago
Resolution: --- → DUPLICATE
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