Just reporting back to close up this issue: Yes! It is a exchange server bug!
Discussion in ms technet here:
https://social.technet.microsoft.com/Forums/en-US/c0b76505-8737-4b6e-bcee-62cb1ea5ef96/dkim-automatic-forwarding-to-gmail-dkim-neutral?forum=exchangesvrsecuremessaginglegacy
The corres
Hi all,
I'm very new to postfix, opendkim, postsrsd et al, but managed to configure
a server setup which dkim signs locally submitted messages successfully. So
far so good (I hope).
I have additionally installed postsrsd with the intention to raise
acceptance of mail forwarded (aliased?) by my