How does dovecot determine users from /etc/passwd?

[Philip Colmer]

Thank you, Sami. I've made that change.

Regards

Philip


On Mon, 17 Feb 2020 at 10:50, Sami Ketola <Sami.Ketola at open-xchange.com>
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> 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
>
>
>
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