(sorry now with subject) How can I mark emails as being spam originating from an ip range owned by xserver.ua?
% Abuse contact for '176.103.48.0 - 176.103.63.255' is 'ab...@xserver.ua' inetnum: 176.103.48.0 - 176.103.63.255 netname: XServer-IP-Network-6 country: UA org: ORG-IV2-RIPE admin-c: IV25-RIPE tech-c: IV25-RIPE status: ASSIGNED PI mnt-by: RIPE-NCC-END-MNT mnt-by: MNT-IV25 mnt-routes: MNT-IV25 mnt-routes: ITL-MNT mnt-domains: MNT-IV25 created: 2011-12-09T13:10:04Z last-modified: 2017-05-24T13:24:15Z source: RIPE # Filtered sponsoring-org: ORG-ML410-RIPE organisation: ORG-IV2-RIPE org-name: PE Ivanov Vitaliy Sergeevich org-type: OTHER address: 42-A Tobolskaya street, office 230, Kharkov, Ukraine phone: +380 57 728 12 67 abuse-c: AR19840-RIPE mnt-ref: MNT-IV25 mnt-by: MNT-IV25 created: 2009-06-16T15:24:59Z last-modified: 2017-05-12T08:36:23Z source: RIPE # Filtered person: Ivanov Vitaliy address: 42-A Tobolskaya street, office 230, Kharkov, Ukraine phone: +380 57 728 12 67 nic-hdl: IV25-RIPE mnt-by: MNT-IV25 created: 2009-06-16T15:19:31Z last-modified: 2017-05-12T08:37:26Z source: RIPE # Filtered % Information related to '176.103.48.0/20AS48031' route: 176.103.48.0/20 descr: XSERVER origin: AS48031 mnt-by: MNT-IV25 created: 2012-03-02T11:27:45Z last-modified: 2012-03-02T11:27:45Z source: RIPE