[Dovecot] Use a different usename than the recipient address (that require a lookup)?

Mauricio Tavares raubvogel at gmail.com
Mon Nov 8 20:54:55 EET 2010

On 11/08/2010 01:42 PM, Zhou, Yan wrote:
> Hi there,
> I am integrating Postfix and DoveCot, both use LDAP to look up
> user/email address info. My question is this: can I create a user
> "jsmith" to get all emails with the recipient address:
> dovecotdemo at domain?  Because of using LDAP, I need to do a lookup to
> know that the user "jsmith" is getting emails for "dovecotdemo at domain",
> NOT "dovecotdemo" (there will be no such user).
	Most of my users just use their usernames as their mail directories. 
But, I have one I had to do something like

   userdb passwd-file {
      args = /etc/dovecot/users

and then define in /etc/dovecot/users for that user where his maildir is.

Another option would be to use aliases in postfix.

> In postfix's master.cf, I can use LDA to deliver to DoveCot, which needs
> to know the user name where the message should be delivered to. But I
> would not know that at the time because I need to do a lookup in LDAP.
> Does the DoveCot delivery agent have any way to allow me return a
> different user name after LDAP lookup?
	If you use virtual domains, you could specify where the emails go using 

> I would not want to modify a couple of files to accomplish that, because
> I would have to do that for every email address created.

> Thanks,
> Yan
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