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

[Rob Siemborski]

On Fri, 7 Nov 2003, Andrzej Filip wrote:

> > In any case, it is unclear what could usefully be done with this, as
> > reject guarantees that an MDN will be sent, which SMTP error codes do not
> > do.
>
> It will make remote host sending message to sendmail & cyrus pair responsible
> for generating the bounce message (in format beyond our control).

Right -- this doesn't satisfy the definition or reject.

> > A discard action has a similar problem -- you still need to accept the
> > message but later throw it out.
>
> This is a tricky problem from sendmail perspective.
>
> As I wrote incorporating sieve into map lookup results send back to sendmail
> is an option to investigate in some future version of cyrus "map protocol"
> server. [Just do not forget that some people think it makes some sense :) ]

I don't think this is something that really needs to be pushed out to the
MTA.  Though sieve-at-MTA-time may be interesting, its an unrelated
problem.

-Rob

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper