Re: [gentoo-user] Is my postfix being used as a relay?

["Kevin O'Gorman" <kogorman@gmail.com>]

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On 3/16/06, Gerhard Hoogterp <gerhard@frappe.xs4all.nl> wrote:
>
> On Thursday 16 March 2006 20:12, Kevin O'Gorman wrote:
> > I get a lot of bounce messages from Postfix relating to emails
> > that are not actually from me, and the mail q shows lots of
> > stuff I don't recognize.
> >
> > I'd like to know how to interpret this, and if it is called-for,
> > to secure this daemon a bit more. Can somebody point
> > me in the right direction?  I'll RTFM if it's not *too* big,
> > if I know the appropriate FM to R.
> >
>
> You can check if your machine is an open relay by using telnet to
> relay-test.mail-abuse.org from the machine which runs the mail.
>
> An other alternative is to use their webinterface
> (http://www.abuse.net/relay.html) but I have no experience with that one.


Thanks for the links.  To my relief, they both reported all relay attempts
were blocked.  So the bounces were spammers spoofing my address
as a return, I suppose.  And there's nothing I can do to stop that.

Sigh.

++ kevin



--
Kevin O'Gorman, PhD

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