Wietse:
> So this needs a quota check before Postfix expands aliases and other address
> mappings.
>
> How does the Postfix SMTP server find out that a user is over quota?
> Does it use check_policy_service, or does it use a transport map that
> returns something like "error:user is over quota"?
rud...@padaru.de:
> check_policy_service inet:localhost:12340,
>
> But postfix dont use these recipient_restrictions because the local mails
> dont pass the smtpd.
Indeed. The reason is that email should not be lost when Postfix
is down (system is booting up, or Postfix is down for maintenance).
We could certainly add a policy callout for local submission. But
that is too much change for Postfix 3.6.0 which should be released
soon.
Wietse
