Thank you for the response.

So, both password files (master and regular user credentials) have the same contents in this scenario, correct?

-Kishore

On Mon, Aug 3, 2020 at 11:42 PM Joseph Tam jtam.home@gmail.com wrote:

On Mon, 3 Aug 2020, Kishore Potnuru wrote:

...

=============== Jul 28 11:14:23 auth: Fatal: Master passdb can't have pass=yes if there are no passdbs Jul 28 11:14:23 master: Error: service(auth): command startup failed, throttling

after the above error, I have commented "pass=yes" in production1 (old server) server, then I see the below error.

================ Jul 28 11:17:10 auth: Fatal: No passdbs specified in configuration file. PLAIN mechanism needs one Jul 28 11:17:10 master: Error: service(auth): command startup failed, throttling

========================================= My old server dovecot.conf (production1):

passdb { args = /etc/dovecot/passwd driver = passwd-file master = yes pass = yes }

My interpretation of your error messages is you need 2 sets of credentials: regular users and master users. You've only supplied master passwords. You'll need

    # Contains master users credentials
    passdb {
            args = /etc/dovecot/master-passwd
            driver = passwd-file
            master = yes
            pass = yes
    }

    # Contains regular user credentials
    passdb {
            args = /etc/dovecot/passwd
            driver = passwd-file
    }

Joseph Tam jtam.home@gmail.com