mail not send!!! - HURRY

Hi All:

I have many errors:

1.- postfix/bounce[12134]: fatal: lock file defer 343F9B30E43: Resource temporarily unavailable
2.- When user try send mail this mail not out to external servers. Internal mail not problem.
3.- May 18 10:52:38 ns1 postfix/master[2178]: warning: process /usr/lib/postfix/bounce pid 3192 exit status 1
4.- May 18 10:54:30 ns1 postfix/bounce[3345]: fatal: lock file defer 4976333FF53: Resource temporarily unavailable
May 18 10:54:31 ns1 postfix/error[2825]: warning: DCAFFB2E7DD: defer service failure

This is critical.

Many mail accounts cannot send messages.

Debian 6
Ispconfig 3.0.4.2

Thank

 

Thanks Till:

May 18 14:35:11 ns1 postfix/bounce[3577]: fatal: lock file defer 002E34BF39A: Resource temporarily unavailable

Disk usage at 16%

Is heavy problem!!!!

Regards

 

May 19 08:18:02 ns1 postfix/bounce[4766]: fatal: lock file defer 4E6BCB33BB7: Resource temporarily unavailable
May 19 08:18:02 ns1 postfix/error[2873]: warning: 8C2AF2C74D8: defer service failure
May 19 08:18:02 ns1 postfix/master[2166]: warning: process /usr/lib/postfix/bounce pid 4696 exit status 1
May 19 08:18:03 ns1 postfix/error[2582]: warning: 46BA2B3198F: defer service failure
May 19 08:18:03 ns1 postfix/master[2166]: warning: process /usr/lib/postfix/bounce pid 4931 exit status 1

I need help

 

Please check that your partitions aren't full:

Code:

df -h

 

Regards
David