[exim] exim permission denied

Hello,

 From mail@??? Mon Mar 21 14:23:01 2005
Return-path: <mail@???>
Envelope-to: mail@???
Delivery-date: Mon, 21 Mar 2005 14:23:01 +0100
Received: from Debian-exim by smtp001 with spam-scanned (Exim 4.34 #1 
(Debian))
        id 1DDMs1-0005Oh-C9
        for <mail@???>; Mon, 21 Mar 2005 14:23:01 +0100
Received: from mail by smtp001 with local (Exim 4.34 #1 (Debian))
        id 1DDMs1-0005Oe-9C
        for <mail@???>; Mon, 21 Mar 2005 14:23:01 +0100
From: root@??? (Cron Daemon)
To: mail@???
Subject: Cron <mail@smtp001>   if [ -x /usr/sbin/exim4 -a -f 
/etc/exim4/exim4.conf ]; then /usr/sbin/exim4
-q ; fi
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/var/mail>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=mail>
Message-Id: <E1DDMs1-0005Oe-9C@smtp001>
Date: Mon, 21 Mar 2005 14:23:01 +0100
X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on smtp001
X-Spam-Status: No, score=4.2 required=5.0 tests=ALL_TRUSTED,VOWEL_FROM_7,
        VOWEL_TOCC_7 autolearn=no version=3.0.2
X-Spam-Level: ****

exim: permission denied

Even if now I understand why procmail and spamassassin don't work fine,
I don'know what this error means too . An idea ?

Regards
Franck