J'ai trouvé ça:
Distribution : CentOS release 5.4 (Final)
Kernel : 2.6.28.1-xxxx-std-ipv4-32
Pour les inodes dispo, c ok
J'ai trouvé maillog qui est dans un dossier psa (plesk). Le fichier fait 4,5Mo, je vais donc pas coller tout le contenu, mais voici quelques extraits qui pourraient être significatifs:
Apr 8 04:05:05 ns362015 qmail: 1270692305.068620 new msg 23889824
Apr 8 04:05:05 ns362015 qmail: 1270692305.068654 info msg 23889824: bytes 615 from <anonymous_AT_ns362015.ovh.net> qp 11490 uid 2523
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11488]: starter: submitter[11490] exited normally
Apr 8 04:05:05 ns362015 qmail-remote-handlers[11494]: Handlers Filter before-remote for qmail started ...
Apr 8 04:05:05 ns362015 qmail-remote-handlers[11494]: from=anonymous_AT_ns362015.ovh.net
Apr 8 04:05:05 ns362015 qmail-remote-handlers[11494]: to=psaadm_AT_ns362015.ovh.net
Apr 8 04:05:05 ns362015 qmail-remote-handlers[11494]: hook_dir = '/usr/local/psa/handlers/before-remote'
Apr 8 04:05:05 ns362015 qmail-remote-handlers[11494]: recipient[3] = 'psaadm_AT_ns362015.ovh.net'
Apr 8 04:05:05 ns362015 qmail-remote-handlers[11494]: handlers dir = '/usr/local/psa/handlers/before-remote/recipient/psaadm_AT_ns362015.ovh.net'
Apr 8 04:05:05 ns362015 qmail: 1270692305.137846 starting delivery 66882: msg 23889824 to remote psaadm_AT_ns362015.ovh.net
Apr 8 04:05:05 ns362015 qmail: 1270692305.137872 status: local 0/10 remote 1/20
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: Handlers Filter before-queue for qmail started ...
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: from=
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: to=anonymous_AT_ns362015.ovh.net
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: hook_dir = '/usr/local/psa/handlers/before-queue'
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: call_handlers: call executable = '/usr/local/psa/handlers/info/05-grey-0zdw6V/executable'
Apr 8 04:05:05 ns362015 greylisting filter[11496]: Starting greylisting filter...
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: handlers_stderr: SKIP
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: call_handlers: SKIP during call '/usr/local/psa/handlers/info/05-grey-0zdw6V/executable' handler
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: recipient[3] = 'anonymous_AT_ns362015.ovh.net'
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: handlers dir = '/usr/local/psa/handlers/before-queue/recipient/anonymous_AT_ns362015.ovh.net'
Apr 8 04:05:05 ns362015 qmail: 1270692305.144099 delivery 66882: failure: Sorry._Although_I'm_listed_as_a_best-preference_MX_or_A_for_that_host,/it_isn't_in_my_control/locals_file,_so_I_don't_treat_it_as_local._(#5.4.6)/
Apr 8 04:05:05 ns362015 qmail: 1270692305.144117 status: local 0/10 remote 0/20
Apr 8 04:05:05 ns362015 qmail-queue-handlers[11495]: starter: submitter[11497] exited normally
Apr 8 04:05:05 ns362015 qmail: 1270692305.322029 bounce msg 23889824 qp 11495
Apr 8 04:05:05 ns362015 qmail: 1270692305.322053 end msg 23889824
AUSSI:
Apr 8 02:06:03 ns362015 postfix/smtpd[11539]: NOQUEUE: reject: RCPT from unknown[203.94.189.98]: 550 5.1.1 <leigh_AT_lwsmartrepairs.co.uk>: Recipient address rejected: User unknown in virtual alias table; from=<sav-qsbnenb1_AT_services.netboxblue.com> to=<leigh_AT_lwsmartrepairs.co.uk> proto=ESMTP helo=<qsbnenb1.safenetbox.biz>