salut
dans le fichier /var/log/maillog
Apr 15 15:50:02 localhost postfix/smtp[30382]: 835878DA723: to=<
vscan@localdomain.localdomain>, relay=none, delay=0.35, delays=0/0/0.35/0, dsn=5.4.4, status=bounced (Host or domain name not found. Name service error for name=localdomain.localdomain type=A: Host not found)
Apr 15 15:50:02 localhost postfix/qmgr[30350]: 835878DA723: removed