sendmail-8.12.6+cyrus-imapd-2.0.17: check presence of the cyrus mailbox during establishing SMTP connection

Igor Brezac igor at
Thu Nov 6 23:54:27 EST 2003

On Fri, 7 Nov 2003, Andrzej Filip wrote:

> Rob Siemborski wrote:
> > On Thu, 6 Nov 2003, Andrzej Filip wrote:
> >
> >>>- What would the map name be?  cyrus?  Would it ever change?  Can people
> >>>envision different types of maps that this daemon would have to support?
> >>
> >>"cyrus" seems to be good default name.
> >>Let us start with "mailbox presence" checking.
> >
> > I agree.
> >
> >>Next version may also:
> >>* check if mailbox will accpet message of given size based on "SIZE="
> >>parameter of "MAIL FROM:"
> >>* take into account who successfully authenticated SMTP session
> >>[it can make some folders accessible]
> >>* apply some sieve reject rules based on envelope sender and sending host
> >
> > This last one might be very hard, especially if rules are based half off
> > an envelope bit and half off a header bit.  I wouldn't want to think of
> > trying to run a sieve interpreter with limited information.
> Would not it be posiible to interpet only heading sieve rules which reject
> message based on info available at "RCPT TO:" point ?
> First "non reject" or "need information not available yet" sieve rule would
> stop "envelope based" sieve rules interpretation.
> [ Reject what you know for sure you will reject later - ASAP reject ]
> It would be nice to allow sieve reject messages before message body is
> received. IMHO it is worth to investigate achievable gain/cost.

This would be nice, but as much as sendmail 'abuses' these maps I wonder
if busier sites would be able to use such maps.


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