On Tue, May 13, 2014 at 12:16:02AM +0100, Ian wrote:
> What are people doing in relation to this?
>
> Until now, I have been using postfix to send mail for
> client@clientsdomainto their real email address, but this fails for
> the reasons given when
> people unfortunate enough to use yahoo. com (or, more rarely, AOL) email
> them.
Am I right in understanding that breaking DKIM isn't an issue here (as
mere forwarding shouldn't break DKIM) but breaking SPF is?
Blocking on/refusing SPF hardfails isn't very common (and probably not a
good idea), but it isn't new. Something like the Sender Rewriting Scheme
might help here:
http://en.wikipedia.org/wiki/Sender_Rewriting_Scheme
Martijn.
