J. Roeleveld a écrit :
> Hi All,
> 
> I know this is probably off-topic, but I'm hopefull someone on this list knows 
> how to do this.
> 
> My current situation:
> Postfix gets an email delivered for user X
> Postfix passes this to cyrus (lmtp-transport)
> if user X does not exist within cyrus, the email gets bounced.
> 
> I would like this bounced email to be delivered to a seperate cyrus email 
> folder.
> 
> I tried to find the answer on google, but all the solutions I found either only 
> work with the postfix local delivery agent (eg. not compatible with cyrus) or 
> requires a list to be maintained using all the known email-boxes.
> 
> I prefer a fall-back solution where an email directed at a user not listed in 
> either the alias table (stored in ldap) or not known to cyrus is redirected to 
> a specific cyrus mailbox.

A solution could be doing a catch-all alias (see [1]) :
if your domain is example.com, then add an alias mapping @example.com to
oneaddress@example.com either using virtual alias or /etc/postfix/aliases .

HTH.

[1] http://www.postfix.org/VIRTUAL_README.html

> Many thanks,
> 
> Joost Roeleveld

-- 
      Xavier Parizet
YaGB :   http://gentooist.com
GPG  :    C7DC B10E FC21 63BE
B453 D239 F6E6 DF65 1569 91BF