On Wed, 2004-02-04 at 23:47, Justin wrote:
> relay (which the FBI later confiscated), and an AIX machine that was an
> open relay. I knew where the first two groups were but didn't know where
Just FYI, all AIX servers are open relays out of the box. IBM
unbelievably uses FEATURE(`promiscious_rela
On Wed, 4 Feb 2004 [EMAIL PROTECTED] wrote:
> In fact, relay-test all your machines that listen on port 25 as a
> matter of habit.
I happened to relay check our entire campus once back when I first started
my previous job. I found an entire lab of around a dozen SGI's that were
of course open
At 04:16 PM 2/4/2004, [EMAIL PROTECTED] wrote:
One SMTP server (A) that accepts only authenticated sessions and allows
relay for those.
Another SMTP server (B) that accepts any session but does not allow relay.
The trick is to only have A listed as an MX record. B does *not* need to be
listed as a
> From: Lucas Albers [mailto:[EMAIL PROTECTED]
> David F. Skoll said:
> > 3) Even if you don't have MX or A records pointing to internal mail
> > servers, you should firewall off port 25 on internal mail
> servers from
> > the outside world. We've seen instances of the MyDoom
> virus bypassing
>
> From: Matthew.van.Eerde
...
> We use this same setup.
>
> One SMTP server (A) that accepts only authenticated sessions
> and allows relay for those.
> Another SMTP server (B) that accepts any session but does not
> allow relay.
>
> The trick is to only have A listed as an MX record. B does
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