At 10.15 -0400 04-08-16, Tony Hansen wrote:
It's a simple rule: the MTA and MSA should only touch the headers their
respective protocols say they should be adding or touching. And that list is
very small.
If someone wants the MTA to remove Bcc headers when
forwarding a message, and to split a message depending on
whether the recipients are in BCC or not, they should get
IETF to standardize a new ESMTP extension to control this
feature from the MUA in communication with the MTA.
--
Jacob Palme <jpalme(_at_)dsv(_dot_)su(_dot_)se> (Stockholm University and KTH)
for more info see URL: http://www.dsv.su.se/jpalme/