In article <260778c4-7f70-25c9-99ed-00fee2661...@gmail.com> you write: >You might know whether the first host supports 8bit but not the host >after that. > >DKIM requires that 8bit email is converted to 7bit before signing
How many mail hosts don't support 8BITMIME these days? It is my impression that's only a handful of dusty MTAs that haven't been updated in a long time.
