D'Arcy Cain:
> On 2017-05-24 09:53 AM, Wietse Venema wrote:
> > D'Arcy Cain:
> >> On 2017-05-24 09:30 AM, Benny Pedersen wrote:
> >>> D'Arcy Cain skrev den 2017-05-24 15:25:
> >>>> The following is in my logs.
> >>>
> >>> provide postconf -n to get more help
> >>
> >> I knew I forgot something.
> >
> > Postfix before 3.0 by default accepts for relay all domains listed in
> > mydestination (including vex.net) and subdomains (nan.vex.net).
> >
> > Suggestion: set relay_domains in main.cf, empty or with domains that you
> > want to relay.
>
> I use mynetworks to specify who can send email through us so I set
> relay_domains to empty. Thanks.
>
> I still don't understand why I accepted the email anyway. The user
> didn't exist.
Because relay recipients are blocked only when relay_recipient_maps
lists the 'valid' recipients; this is not a required setting.
We could make such a table required, along with local_recipient_maps
and a number of other changes, and make the new defaults conditional
on compatibility_level>=3.
Wietse
