On Tue, 11 Oct 2011 15:49:36 +0200, Matus UHLAR - fantomas wrote:
such forwarding will break SPF iff the forwarder does not change the mail from: address, and in such case it FAKES the return path, since it's not the original sender who sent the mail, it's the recipient.
it breaks dkim if anything is changed, this is not fud
Whoever wishes to get mail forwarded through mailbox that does not this kind of rewriting, should configure the forwarder as trusted/internal for this case.
only trusted_network for the forwarding mta is needed to make spf work
