problem sending mail to shared mailbox

[Erik Myllymaki]

> Erik Myllymaki schrieb:
> > I created a shared mailbox but I cannot send mail to it.
> > 
> > I get bblist1 at example.com 550 Unknown User?
> 
> Is this a message from the MTA or from lmtpd ?
> 
> > 
> > cyradm>cm bblist1
> 
> If you are using 2.2 this will create a shared folder in the 
> defaultdomain which then does not seem to be example.com. So in 2.2 you 
> would have to "cm bblist1 at example.com" for it to work.

my initial post escaped on me before I could finish. 

I am running v2.1.16 - but I think upgrading to v2.2 will happen shortly...

It is an error from Exim.