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open relay or spam please help

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open relay or spam please help - 11.Aug.2003 6:36:00 AM

Carl Parker

Posts: 89
Joined: 16.Jul.2003
From: Houston, Tx
Status: offline

I need to deny the connections for a group of servers in Exchange to stop spam the servers are ms*.hinet.net. I.E. ms34.hinet.net, ms7.hinet.net, ms21.hinet.net with IP addresses of 168.95.4.20,168.95.4.34, 168.95.4.73. How do I block out there whole subnet or range. What subnet address and mask do I use and how do I find out how to get this information?

Additionally, how do I stop other servers from relaying messages through my server. I have notiuced that the bulk of the messages originate and go to people not inside my organization

Thank you,

Leto the Just

Post #: 1

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RE: open relay or spam please help - 12.Aug.2003 11:47:00 PM

abraham

Posts: 72
Joined: 12.Aug.2003
From: Bogota
Status: offline

Hi. As i remember the Relay is disable by default in Ex2000(Not 5.5) then just leave the box (Only the List Below) empty, if you want to block, this sites use de FQDN name or the IP, some site redirect the SMTP Headers, then its better using the IP address, check de Abuse Mail list for blocking this sites, if you have ISA server is more easy.......

(in reply to Carl Parker)

Post #: 2