Problème avec postfix

Salut,

J’ai installé postfix mais j’ai du merder quelque part car j’ai des souci avec.
Apparemment j’ai deux fichiers qui ne se sont pas installé et je sais pas pourquoi.

Dec 4 12:15:27 serveur-fax authdaemond: Installing libauthmysql Dec 4 12:15:27 serveur-fax authdaemond: Installation complete: authmysql Dec 4 12:15:40 serveur-fax postfix/master[3211]: fatal: /etc/postfix/master.cf: line 18: field "command" has no default value Dec 4 12:41:34 serveur-fax postfix/postdrop[3403]: warning: unable to look up public/pickup: No such file or directory Dec 4 12:42:46 serveur-fax postfix/postdrop[3406]: warning: unable to look up public/pickup: No such file or directory Dec 4 12:50:30 serveur-fax postfix/postdrop[3414]: warning: unable to look up public/pickup: No such file or directory Dec 4 12:50:42 serveur-fax postfix/postfix-script: fatal: the Postfix mail system is not running Dec 4 12:51:00 serveur-fax postfix/postfix-script: fatal: the Postfix mail system is not running

De plus si je fais un postfix reload, il me renvoie un failed.

Des idées ou des suggestions?