On 30 January 2019 at 07:12 James Brown < jlbrown@bordo.com.au> wrote:

>> My settings:
...
>> userdb {
>> driver = passwd
>> }
>> userdb {
>> driver = prefetch
>> }
>> userdb {
>> args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
>> driver = sql
>> }
Well... there is that usetdb passwd which seems bit extraneous.
---
Aki Tuomi

I'd remove the

userdb {
driver = passwd
}

section
---
Aki Tuomi

Thanks Aki - the trick was finding where that setting was! Found it in auth-system.conf.ext.