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

Igor Brezac igor at
Wed Nov 5 18:33:15 EST 2003

On Wed, 5 Nov 2003, Rob Siemborski wrote:

> On Wed, 5 Nov 2003, Igor Brezac wrote:
> > > - Is the key always the RCPT TO address, including +detail info, or does
> > > Sendmail strip this before doing the map lookup?
> >
> > You need to process whatever the protocol passes to the server.  A
> > question might be, how is cyrus going to respond when +detail is not
> > available but the root mbox is?  I see other strange scenarions here.
> > Again, this can be controlled with config parameters.
> I would expect this to work as cyrus currently does with lmtp and plus
> addressing.  Delivery is attempted to the +detail address, and if that
> fails, it is delivered to the INBOX.  In this case, I'd expect us to
> accept any valid user (regardless of +detail).
> Maybe its worth a config option if people care that much, but then
> wouldn't they want lmtp to reject the message too?

This can get messy.  The server does not know what lmtp/sieve will do.
On second thought I agree with Rob and the original Ken intention.  Keep
it simple.


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