limit sharing ability to certain users

Simeon Ott at
Tue Aug 7 10:54:53 EEST 2018

Sorry for that! I was offline during writing my answer to your mail and so it left my outbox after the advice from Sami.

The solution works well when using passwd userdbs only. I didn’t get it running in conjunction with ldap userdb. I tried to use an LDAP attribute and mapping it to userdb_acl_globals_only and another try with acl_globals_only. Both attributes were not considered by the lookup. Another try was to use a separate passwd-userdb for this attribute only. When placing the passwd-userdb before the ldap-userdb the ldap attributes are not considered. If the ldap-userdb is placed before the passwd-userdb, the extra attribute is not considered. I think this is a wanted behaviour.

Any ideas in conjunction with LDAP?

> On 7 Aug 2018, at 08:54, Aki Tuomi <aki.tuomi at> wrote:
> As Sami pointed out, I had wrong syntax:
>> close, but few typos. userdb should be:
>> userdb {
>>   driver = passwd-file
>>   args = username_format=%Lu /etc/dovecot/share.passwd
>> }
>> Sami

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