[Dovecot] how can I use different LDAP config for LDA and AUTH?

Hi there,

I am setting up mail client with DoveCot and, at the same time, use Postfix to deliver message to DoveCot via LDA. I want to support having user name "jsmith" on my mail client, and that gets all messages for email address: dovecotdemo@domain. (The user name is different from what is in the email address). In addition, all user & password look up is handled by LDAP.

Here is my problem:

1. my mail client will login as "jsmith", that goes through LDAP to find mail/home/password for this user. (this matches user name)
2. When postfix delivers a message, DoveCot LDA will find a match with email address "dovecotdemo@domain", it goes through the same LDAP configuration. (this matches email address).

You can see the two search criteria are different, but by default they use the same passdb and userdb configuration. I want to use a different LDAP config. file for LDA to use, where it will match the email address (so that it is different from the default dovecot-ldap.conf, which is used by authentication).

DoveCot Deliver can specify a separate configuration file with "-c", so I tried that. But I cannot get LDA to use a different configuration. Would should be an example of config file used by Deliver?

Anyone running into this problem?

Thanks, Yan

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