On Mon, Feb 24, 2014 at 10:21:59AM -0500, Wietse Venema wrote:
> Wietse Venema:
> > Michael van Es:
> > > Hello,
> > >
> > > Clients on the host can use a procmail filter, the .forward file
> > > forwards the message to procmail [which gives the mail to Cyrus].
> >
> > [how can Postfix "verify" find out that the Cyrus mailbox is over-quota]
> >
> > It can't, not even when Postfix gives the mail directly to Cyrus.
> >
> > Instead, you need to populate an access map or transport map based
> > on a periodic scan (or real-time query) of Cyrus quota.
> >
> > access map:
> >
> > u...@example.com 450 4.2.2 Mailbox is full
> >
> > transport map:
> >
> > u...@example.com error: 4.2.2 Mailbox is full
>
> Forget about the transport map solution. The "error" results in a
> hard reject. That should be "retry", but unfortunately the Postfix
> SMTP server doesn't know that the "retry" transport rejects mail,
> so it would accept the mail and that is not what you want.
>
> Wietse
Ah, thanks. I had just begun writing a test for the transport map
solution. I will focus on the access map.
--
Michael
