Re: [SLE] Stopping open mail relay in SuSE standard server.

From: Bruce Marshall (bmarsh_at_bmarsh.com)
Date: 07/25/04

  • Next message: James Knott: "Re: [SLE] Stopping open mail relay in SuSE standard server." 
    To: SLE <suse-linux-e@suse.com>
Date: Sat, 24 Jul 2004 21:04:40 -0400

    On Saturday 24 July 2004 08:51 pm, John Andersen wrote:
    > On Saturday 24 July 2004 04:42 pm, Bruce Marshall wrote:
    > > On Saturday 24 July 2004 03:30 pm, Anders Johansson wrote:
    > > > On Sat, 2004-07-24 at 15:26 -0400, Bruce Marshall wrote:
    > > > > On Saturday 24 July 2004 03:15 pm, James Knott wrote:
    > > > > > I've set up a mail server, using SuSe Standard Server, and while
    > > > > > it's now working, it appears I've also got an open mail relay
    > > > > > running. According to what I've read in the O'Reilly Postfix book,
    > > > > > postfix is supposed to default to not be an open relay. I've check
    > > > > > main.cf and I can't see anything that might be causing the open
    > > > > > relay. Any ideas, as to what I might check? I've shut down
    > > > > > postfix, until I can resolve this problem.
    > > > >
    > > > > Why are you allowing people outside your firewall (you do have one
    > > > > don't you?) to come in on port 25?? If they can't use port 25, they
    > > > > can't use you as a relay.
    > > >
    > > > They also can't send you mail. Sort of defeats the purpose (or one of
    > > > the purposes) of running a mail server, doesn't it?
    > >
    > > 1) He didn't state he was running a mail server.
    >
    > Yes he did. First sentence.
    >

    The term 'mail server' can be pretty ambiguous..... incoming? outgoing?

    > > > > I've set up a mail server, using SuSe Standard Server,
    > >
    > > 2) If he is, he should know enough how to set up to prevent relaying.
    >
    > So, lemmie get this straight ...
    > If he HAS to ask he does not DESERVE an answer?
    >

    Well yes.... I just took a quick read of some of the comments
    in /etc/postfix/main.cf and there is a *LOT* of information there on dealing
    with relaying. Should be sufficient for most.

    > He pointed out that his docos said is should not relay but
    > he believes it was, and that's why he's asking. Christ, he
    > purchased O'Reilly as well as SuSE so you can hardly
    > accuse him of not RTFM...
    >

    I guess he didn't read the main.cf comments. That's where the changes are
    made. BTW, you;re bitching a lot a me... where are all of *YOUR* helpful
    comments???????

    > One learns by doing. I suppose you sprung fully onmicient
    > from the womb?
    >

    FO

    > > 3) Since he is sending mail from rogers.com, it wouldn't appear that he
    > > is running his own mail server.....
    >
    > Perhaps he had the sense to shut down when he realized it was a
    > open relay...
    >

    Not so.. I've been corresponding off-list and he is doing this for some
    company.... not from his own machine.

    > Cut him some slack.
    > If you don't want to offer help, why read this list?

    Gee... once again... just what did you add to help him out... huh?? huh?? 

    -- 
+----------------------------------------------------------------------------+
+ Bruce S. Marshall  bmarsh@bmarsh.com  Bellaire, MI         07/24/04 21:01  +
+----------------------------------------------------------------------------+
"When in doubt, empty your magazine."
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  • Next message: James Knott: "Re: [SLE] Stopping open mail relay in SuSE standard server."

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