On 19 January 2017 at 14:30, Wietse Venema <wie...@porcupine.org> wrote:
>
> Wietse Venema:
> > Dominic Raferd:
> > > On 16 January 2017 at 15:11, Wietse Venema <wie...@porcupine.org> wrote:
> > > >
> > > > Dominic Raferd:
> > > > > One of the few remaining issues on my postfix server is that
> > > > > double-bounce messages don't come from the 'right' envelope sender.
> > > >
> > > > man 5 postconf | less '+/^double_bounce_sender'
> > > >
> > > > This also is the default for address_verify_sender.
> > >
> > > Thanks, I tried this but whatever I put it seems to append
> > > @$myhostname and this breaks my DKIM (appending @$myorigin would be
> > > ok).
> >
> > Then why don't YOU append the domain!
>
> Forgot that Postfix is hard-coded to append @$myhostname.
>
> In that case, you'd have to use canonical_maps to rewrrite
> double_bounce@$myhostname:
>
> canonical_maps = inline:{$double_bounce_sender@$myhostname=somethingelse}
>
> (assumes Postfix 3.x). Having the map inlined in main.cf brings the
> benefit of parameter expansion.
>
> Wietse
ok thanks, that would seem a good workaround. However I've given up
with this for now and am having all notice messages go to local
mailbox rather than being redirected out; so sender address becomes
irrelevant.
