Configuration problem for secure virtual server

[Eduardo M KALINOWSKI]

On Qui, 15 Dez 2016, Karsten Malcher wrote:
> Hello,
>
> mail_uid = Debian-exim
This will be important later
>
> Dec 15 18:03:25 pop3(karsten at server): Error: user karsten at server:  
> Initialization failed: Initializing mail storage from
> mail_location setting failed: stat(/mountpoint/mail/server/karsten)  
> failed: Permission denied (euid=107(Debian-exim)
> egid=8(mail) missing +x perm: /mnt, we're not in group 9(crypt), dir  
> owned by 0:9 mode=0770)
> Dec 15 18:03:25 pop3(karsten at server): Error: Invalid user settings.  
> Refer to server log for more information.
>
> But dovecot is definitely in the group crypt!

dovecot may be, but the process is not trying to access as user  
dovecot, but as Debian-exim (as shown in the log). And this happens  
because of the mail_uid line in your config.

-- 
Eduardo M KALINOWSKI
eduardo at kalinowski.com.br