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On Wed, 5 Nov 2014, Robert Kryger wrote:
I agree the error message is confusing. As mentioned, I initially thought
the Maildir folder permissions were set wrong (since I transferred them over
from an older mail server) so I have tried many combinations including
setting full "rwx" permissions for everyone on the /home/user1 and
/home/user1/Maildir folders. It doesn't seem to help which leads me to
suspect I might be mis-understanding the dovecot-lda error messages.
They are usually very clear and helpful.
To confirm as currently set:
User1 has full "rwx" permissions on the /home/user1 folder.
What filesystem /home/user1 is located on? E.g. AFS has yet another
permission management.
What happens if you try to access the folder as the system user:
su - user1 id -a
su - user1 ls -ald /home/user1
The 1st command verifies, that su - user1 is using the same uid as
Dovecot, the 2nd one probes the accessability.
I am running a "plain" CentOS 6.5 installation. No intentional protection
software like Apparmor, no SElinux features.
OK, first question answered. ;-)
What about the 2nd one about the permissions of / and /home?
-----Original Message-----
From: Steffen Kaiser [mailto:skdove...@smail.inf.fh-brs.de]
Sent: Wednesday, November 05, 2014 9:24 AM
To: Robert Kryger
Cc: dovecot@dovecot.org
Subject: RE: Dovecot-lda permission errors or maybe authentication errors?
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On Wed, 5 Nov 2014, Robert Kryger wrote:
Output of ls -nal /home/user1:
Nov 04 08:47:29 lda(user1): Error: chdir(/home/user1/) failed:
Permission denied (euid=524(user1) egid=524(user1) stat() failed: No
such file or directory, euid is not dir owner)
total 156
drwx------. 6 524 524 4096 Nov 5 08:27 .
This list doesn't seem to fit the error message, because user 524 is owning
this dir and has full access permissions. Maybe, are you running some
protection software, like SELinux, AppArmor, ..., which prevents access to
this directory?
Just to raise the obvious: "/" and "/home" do allow "x"-permission for user
#524, don't they?
drwxr-xr-x. 34 0 0 4096 Oct 4 14:06 ..
-rw-------. 1 524 524 1148 Oct 15 13:44 .bash_history
-rw-r--r--. 1 524 524 18 Sep 25 22:13 .bash_logout
-rw-r--r--. 1 524 524 176 Sep 25 22:13 .bash_profile
-rw-r--r--. 1 524 524 124 Sep 25 22:13 .bashrc
-rw-r--r--. 1 0 0 1362 Nov 4 08:45 config.txt
-rw-r--r--. 1 524 524 75 Oct 6 11:39 .forward_old
-rw-r--r--. 1 0 0 37 Oct 26 19:09 .forward_test_lda
-rw-------. 1 524 524 55 Oct 12 20:12 .lesshst
-rw-r--r--. 1 0 0 1062 Nov 4 08:50 log1.log
-rw-r--r--. 1 0 0 1246 Nov 4 08:49 log2.log
drwxrw----. 35 524 524 4096 Nov 5 08:24 Maildir
drwxr-----. 35 0 0 4096 Oct 29 09:03 Maildirsave
drwxr-xr-x. 4 524 524 4096 May 6 2014 .mozilla
-rw-r--r--. 1 524 524 92 Oct 12 20:20 .procmailrc
-rw-r--r--. 1 524 524 1213 Oct 5 19:56 .procmailrc_old
-rw-r--r--. 1 524 524 92 Oct 6 10:27 .procmailrc_old2
-rw-r--r--. 1 0 0 0 Nov 5 08:27 question1.txt
drwx------. 2 524 524 4096 Oct 14 16:02 .ssh
-rw-rw-r--. 1 524 524 152 Oct 6 10:25 testmessage.txt
-rwxr-xr-x. 1 524 524 87 Oct 6 13:59 testscript
-rw-rw-r--. 1 524 524 60810 Oct 27 16:57 top.log
-rw-r--r--. 1 0 0 6 Nov 4 08:45 version.txt
-rw-------. 1 524 524 3973 Oct 27 16:58 .viminfo
-----Original Message-----
From: Steffen Kaiser [mailto:skdove...@smail.inf.fh-brs.de]
Sent: Wednesday, November 05, 2014 5:26 AM
To: Robert Kryger
Cc: dovecot@dovecot.org
Subject: Re: Dovecot-lda permission errors or maybe authentication errors?
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On Tue, 4 Nov 2014, Robert Kryger wrote:
I have tried to specify the dovecot-lda in two ways. First, in the
/etc/postfix/main.cf file:
mailbox_command = /usr/libexec/dovecot/dovecot-lda -f "$SENDER" -a
"$RECIPIENT"
or alternatively, I leave the mailbox_command blank and specify the
following in the .forward file of a test user:
| "/usr/libexec/dovecot/dovecot-lda"
Either approach gives me the same error(s). When a mail message is
sent to the test user USER1, the following errors appear in the
dovecot-lda error
file:
Nov 04 08:47:29 lda(user1): Error: chdir(/home/user1/) failed:
Permission denied (euid=524(user1) egid=524(user1) stat() failed: No
such file or directory, euid is not dir owner) Nov 04 08:47:29
lda(user1):
Error:
chdir(/home/user1) failed: Permission denied Nov 04 08:47:29 lda(user1):
Error: user user1: Initialization failed: Namespace 'INBOX.':
stat(/home/user1/Maildir) failed: Permission denied (euid=524(user1)
egid=524(user1) stat() failed: No such file or directory, euid is not
dir
owner) Nov 04 08:47:29 lda(user1): Fatal: Invalid user settings.
Refer to server log for more information.
Nov 04 08:47:29 lda(user1): Error: chdir(/home/user1/) failed:
Permission denied (euid=524(user1) egid=524(user1) stat() failed: No
such file or directory, euid is not dir owner) Nov 04 08:47:29
lda(user1):
Error:
chdir(/home/user1) failed: Permission denied Nov 04 08:47:29 lda(user1):
Error: user user1: Initialization failed: Namespace 'INBOX.':
stat(/home/user1/Maildir) failed: Permission denied (euid=524(user1)
egid=524(user1) stat() failed: No such file or directory, euid is not
dir
owner) Nov 04 08:47:29 lda(user1): Fatal: Invalid user settings.
Refer to server log for more information.
At first, I interpreted this to mean the file permissions were not
set correctly on the home directory or the Maildir folder. However,
I have opened these up to full rwx access for everyone and I still
get the same errors. Alternatively, perhaps this is related somehow
to the dovecot-lda authentication process via the password or user
databases, but I can't make any sense of the documentation.
What's the output of:
ls -nal /home/user1
- --
Steffen Kaiser
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Steffen Kaiser
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- --
Steffen Kaiser
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