is someone hacking my postfix email server?

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Date: Mon, 26 Oct 2009 23:00:12 +0200
To: mycompany <company@mydomain.com>
From: Eusebia Schmelz <company@mydomain.com>
Subject: May I kindly ask u?
Message-ID: <5T9L71UK8U68483J.QRUPSYPUID.217541CD5@b1784a5f38e7413>
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inetnum:        81.30.93.0 - 81.30.93.255
netname:        BEST-NET-1
mnt-routes:     AGS-MNT
mnt-lower:      AGS-MNT
descr:          "BeST" CJSC
country:        BY
admin-c:        AGS95-RIPE
tech-c:         AGS95-RIPE
status:         ASSIGNED PA
mnt-by:         AGS-MNT
source:         RIPE # Filtered
 
person:         Andrew Sokolovski
address:        The Republic of Belarus
address:        Krasnoarmeyskay, Str 24
phone:          +375 25 909 05 50
fax-no:         +375 17 206 58 86
e-mail:         
nic-hdl:        AGS95-RIPE
mnt-by:         AGS-MNT
source:         RIPE # Filtered
 
route:          81.30.93.0/24
descr:          all best
origin:         AS44087
mnt-by:         AGS-MNT
source:         RIPE # Filtered

                                              

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