John Andersen wrote: > I've discovered that the default Postfix install as done in openSUSE 10.2 > and SLES9 provides an open relay for anyone on the same subnets > as the mail server. > That is basically stated in Yast2, System, etc/Sysconfig Editor, where it says File: /etc/sysconfig/postfix Possible Values: subnet, host, class Default Value: subnet Configuration Script: postfix Description:
The postfix default for this setting is "subnet" for security reasons you should use host otherwise every user in the same subnet as you, can use your postfix server as a mail relay for spam. If you set POSTFIX_DIALUP to "yes" mynetworks_style will be set to "host" by SuSEconfig. Mine was set to host, but I no longer remember if I did that or Yast/SuSEconfig did it. > By adding the line: > mynetworks = 192.168.2.0/24, 127.0.0.0/8 > you can prevent this, but Yast does not offer that as > best I can see, so you have to remember to do it > manually. > You do need to add it manually, but you could add POSTFIX_ADD_MYNETWORKS to /etc/sysconfig/postfix to edit this easily with Yast's sysconfig editor. -- Joe Morris Registered Linux user 231871 running openSUSE 10.2 x86_64 -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
