[Dovecot] IMAP fchown failed: Operation not permitted

[Timo Sirainen]

On Oct 7, 2009, at 3:30 AM, Juergen Obermann wrote:

> Hello,
>
> today I switched from dovecot 1.1.17 to 1.2.6 and since then the  
> following new error messages
> appeared. To me they seems to be harmless, as I noticed no problems  
> so far. But can I be sure?
>
> Oct  7 08:39:13 smail dovecot: [ID 583609 local0.error]  
> IMAP(sv4073): fchown(/home/smailw9/sv4073/Mail/.imap/INBOX/ 
> dovecot.index.cache.lock, -1, 6(mail)) failed: Operation not  
> permitted (egid=3229(smailw9), group based on /var/mail/sv4073)

chmod 0600 /var/mail/* gets rid of them.