postfix installation

[Julian Field]

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At 16:57 06/09/2004, you wrote:
>Hi,
>
>I've installed Fedora Core 2, and I'm installing Postfix with MailScanner.
>The point is, I've followed the directives at
><http://www.sng.ecs.soton.ac.uk/mailscanner/install/postfix.shtml>http://www.sng.ecs.soton.ac.uk/mailscanner/install/postfix.shtml
>to perform the installation. But I have a question about point 3, which says:
>
>Make sure you have the chroot jail set up in /var/spool/postfix. You
>should be able to see "etc", "usr" and "lib" directories inside
>/var/spool/postfix). If you haven't got the chroot jail setup already,
>then look in the "examples" directory of the Postfix documentation and you
>will find a script in there to set up it up for your operating system. If
>you can't find that, then see the "Problems or Errors" section further
>down this page.
>
>Is it totally necesary to do that? I missed that part, and MailScanner
>seems to be working just fine, so I don't know what would happen if I
>don't chroot Postfix. Or is it an option to enhance security?

It just gives Postfix increased security. If someone manages to break
through your SMTP server, they can't actually access the rest of your
system at all as they will be running in a jail.
--
Julian Field
www.MailScanner.info
MailScanner thanks transtec Computers for their support

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