On Sat, Jun 20, 2015, at 04:15 PM, Noel Jones wrote: > > should do the trick. (?) > Yes, that should work as expected.
> > Still ok here? > That's fine. This doesn't have any direct effect on rejecting unknown users. Appreciate the confirmations. > > Suggest that I need the spam.1234@ and ham.1234@ addresses _known_ in > > 'canonical'. > > No, don't confuse canonical(5) mapping with users in a local domain. ... > That note is a warning that an otherwise non-existent user will be > considered known if it's listed in one of those tables, not a > limitation of what is known. My misunderstanding. Now clears up some of that confusion. I've managed to _change_ the observed, logged behavior for send to 'spam.1...@mail.dddd.com", getting now Status: 5.4.6 Diagnostic-Code: X-Postfix; mail for mail.DDDD.com loops back to myself so, I'm poking in the right vicinity, but still not in the right manner. The link references will surely provide the solution; just not obvious quite yet.