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[cobalt-security] qube sendmail config question to prohibit spamming

Subject: [cobalt-security] qube sendmail config question to prohibit spamming
From: "Wim Dieke" <w.dieke@xxxxxxxxx>
Date: Sat, 4 Oct 2003 13:50:18 +0200
List-id: Mailing list for users to address network security on Cobalt products. <cobalt-security.list.cobalt.com>

Title: Bericht

Hi All,

I'm running a qube3 with standard configuration and had a spamrun last night from somebody near by.

What is the situaton:

1) my ISP does DHCP IP assignment. The netmask used is 255.255.254.0 so 512 possible ip adresses belong to subnet the qube is in.

2) Sendmail relays mail for every pc in that network by default is my guess

somebody in the same subnet did a spamrun on the qube. I disabled sendmail for the time beeing and would like to know if i can configure smtp in a way that only my own ip adress can use this service.

TIA,

Wim

Follow-Ups:
- Re: [cobalt-security] qube sendmail config question to prohibit spamming
  - From: Gerald Waugh

References:
- RE: [cobalt-security] Getting procmail working on a raq4
  - From: Jelmer Jellema

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