> However, this may provide clues as to whether there is or isn't a Bcc:
> recipient, which I believe to be a no-no.
I disagree.
> Pine (or at least a former version) changes its headers when someone adds a
> Bcc: and I can tell often tell if a Bcc: has been added, and that makes me
> wonder who was Bcc:ed. I believe we should avoid this kind of behavior.
I suspect that inferring from the absence that a Bcc: has been sent to a
third party may be spurious -- the Bcc: may well be to the sender ...
[ I assume of course that this would be an option ... ]
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