How does dovecot determine users from /etc/passwd?

[Aki Tuomi]

Also, you can use

first_valid_uid = <number>

last_valid_uid = <number>

to limit which users are considered valid.

Aki

On 17.2.2020 12.50, Sami Ketola wrote:
> Hi,
>
> how about switching to use autoexpunge?
>
> https://wiki.dovecot.org/MailboxSettings
>
> Sami
>
>
>> On 17 Feb 2020, at 11.01, Philip Colmer <philip.colmer at linaro.org
>> <mailto:philip.colmer at linaro.org>> wrote:
>>
>> We're using dovecot on a help desk ticketing system. The system
>> doesn't perform any cleanup of IMAP mailboxes so we have a regular
>> cronjob doing this:
>>
>> /usr/bin/doveadm flags add -A '\Deleted' SEEN SENTBEFORE 12w &&
>> /usr/bin/doveadm expunge -A DELETED MAILBOX '*'
>>
>> Recently, doveadm has been reporting this:
>>
>> doveadm(nobody): Error: User initialization failed: Namespace '':
>> mkdir(/nonexistent/mail) failed: Permission denied (euid=65534(nobody)
>> egid=65534(nogroup))
>> doveadm(nobody): Error: User init failed
>> doveadm(DEFAULT-CW-USER): Info: User no longer exists, skipping
>>
>> Indeed, using
>>
>> doveadm user "*"
>>
>> does include "nobody" in the list but I can't understand why. The mail
>> group in /etc/group does not include "nobody" and there are users in
>> /etc/passwd with similar attributes to "nobody" that do not appear in
>> the list of users from doveadm.
>>
>> What can I do to tell doveadm to forget about "nobody"?
>>
>> Thanks.
>>
>> Philip
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://dovecot.org/pipermail/dovecot/attachments/20200217/dc17eb52/attachment-0001.html>