Centos 5.3 / postfix maildir delivery failed: create maildir file

Hi

I'm using ISPconfig 2.2.32 with more than 40 users

One of our clients has email issue , nobody can send email to any email address that he has from outside
email just bounced back with maildir delivery failed: create maildir file
/var/www/web9/Maildir/tmp/1246184673.P7838.xxxxxxxxxx:
Permission denied

all email address hosted with this users have this issue.

I searched the forum already and I checked:
- SElinux is disable
here is output of ls -la /var/www/web9

Code:

dr--------  8 web9_info web9 4096 Jun 28 15:48 .
drwxr-xr-x 33 root      root 4096 Jun 27 13:42 ..
drwxrwxr-x  2 web9_info web9 4096 Jun 10 12:14 cgi-bin
-rw-------  1 web9_info web9   24 Jun 28 15:48 .forward
-rw-rw-r--  1 root      web9  640 Jun 28 04:01 .htpasswd
drwxr-xr-x  3 web9_info web9 4096 Jun 14 00:30 log
lrwxrwxrwx  1 root      root   36 Jun 28 15:48 Maildir -> /var/www/web9/user/web9_info/Maildir
-rw-r--r--  1 root      root    0 Jun 28 15:48 passwd.dav
drwxrwxrwx  2 web9_info web9 4096 Jun 10 12:14 phptmp
-rw-r--r--  1 root      root  450 Jun 28 15:48 .procmailrc
lrwxrwxrwx  1 root      root   43 Jun 28 15:48 .spamassassin -> /var/www/web9/user/web9_info/.spamassassin/
drwxr-xr-x  2 web9_info web9 4096 Jun 10 12:14 ssl
drwxr-xr-x 14 web9_info web9 4096 Jun 28 14:08 user
lrwxrwxrwx  1 root      root   44 Jun 28 15:48 .vacation.cache -> /var/www/web9/user/web9_info/.vacation.cache
drwxrwxr-x  4 web9_info web9 4096 Jun 11 04:00 web

I check the statistics of the user and I see that he exceeded the qouta (he used 2700 MB from 2500 MB !)

I'm wondering if quota is the problem or there is a permission issue
actually adjusting quota to 3500 MB didn't help , also I chown[ed] Maildir to web9_info:web9 but it didn't help neither

I'm lost , somebody help me !!!!

 

Thank you for such a quick answer.
user quota is -1
I change website (Traffic) quota to 3500 MB but here is what I've got from repquota -avug

Code:

                        Block limits                File limits
Group           used    soft    hard  grace    used  soft  hard  grace
----------------------------------------------------------------------
.
.
.
.
.

web9      --   11108  256000  257024            220     0     0  
.
.
.
.
.

thanks again

Edit:
Sorry for confusion , when I said 'he exceeded the quota ' I was referring to Traffic quota not web quota

still we have issue

 

Hi
sorry for bump but I'm still having problem !
no one can post an answer ?

 

Thanks for getting back to me Till
All email accounts on this web site have Maildir permission issue.

no one can receive email on this web site.

but email is working fine for all the other users (web1~web42)

I can give you more ls output if you want , let me know if this helps

 

As you said the problem was /var/www/web9 folder, I chmod it to 755 and everything goes back to normal

Thank you Till for great support