Trivial Pigeonhole patch: allow X-Original-From header for address tests

[Aki Tuomi]

> On 04/07/2022 07:33 EEST Aki Tuomi <aki.tuomi at open-xchange.com> wrote:
> 
>  
> > On 23/06/2022 07:14 EEST Rob Foehl <rwf at loonybin.net> wrote:
> > 
> >  
> > Motivated by more DMARC silliness, naturally.
> > 
> > -Rob
> 
> Hi Rob!
> 
> Any chance you could open this as pull request to https://github.com/dovecot/pigeonhole?
> 
> Aki

Actually, scratch that. This is already tracked internally.

Aki