On 2013-12-10 11:52, Alan McGinlay - SICS wrote:
On 2013-12-10 11:34, Robert Schetterer wrote:
Am 10.12.2013 11:25, schrieb Alan McGinlay - SICS:
On 2013-12-09 11:21, Alan McGinlay - SICS wrote:
On 2013-12-08 22:08, Alan McGinlay - SICS wrote:
Actually I do, /var/vmail (contains virtual domain mailboxes) is
owned by vmail:vmail

On 2013-12-08 21:49, Timo Sirainen wrote:
On 5.12.2013, at 22.18, Alan McGinlay - SICS <al...@sics.se> wrote:

mail_privileged_group = vmail
..
mail_location = maildir:~/Maildir
..
dsync(alantestu...@whatever.com): Error: user
alantestu...@whatever.com: Couldn't drop privileges: getgrnam(vmail)
failed: No such file or directory (in mail_privileged_group setting)

You don’t have vmail group in your system? Either create it or remove
this setting. Most likely you want to remove it, since this setting
was meant only for mbox format, while you’re using maildir.

After much trial and error and following Timos advice, I managed to
get a sync to at least start and it lists folders, then it starts
spamming this:

dsync(alantestu...@whatever.com): Error:
safe_mkstemp(/tmp/dovecot.doveadm.) failed: No such file or directory
dsync(alantestu...@whatever.com): Error:
safe_mkstemp(/tmp/dovecot.doveadm.) failed: No such file or directory
dsync(alantestu...@whatever.com): Error:
safe_mkstemp(/tmp/dovecot.doveadm.) failed: No such file or directory
...

/tmp/dovecot.doveadm. does indeed not exist but I can't find any
reference to it online or in the docs,

Any ideas?


Still not able to get anywhere with this :( It really feels like a
permissions problem, either with the master user, the unix user i start
the dsync with (root) or the user that dsync runs as (vmail). I tried
looking at the code for safe_mkstemp but still couldn't work out the
source of this problem. If anyone has an idea it would be great to hear it!

perhaps check
the dsync target directory must be writable by vmail:vmail


Best Regards
MfG Robert Schetterer

Thanks, vmail:vmail owns all mail and parent directories up to
/var/vmail/. I tried changing mail_temp_dir in 10-mail.conf from /tmp/
to /var/vmail/tmp (and i created that directory) but it made no
difference apart from changing the directory in the "safe_mkstemp"
error message. If I comment out mail_temp_dir then the error changes
to:

dsync(alantestu...@whatever.com): Error:
safe_mkstemp(/tmp/dovecot.doveadm.) failed: Permission denied
dsync(alantestu...@whatever.com): Error:
stat(/tmp/dovecot.doveadm.3c303c239d223495) failed: Permission denied

Interestingly, the synchronization actually does seem to work! I hadn't noticed at first but in spite of the error, mails are synced across and seemingly are completely intact!

It would be really good to find out the source of this error though!

/A

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