How to test sendmail security (no relaying)?

[Don]

On Wed, 2003-12-24 at 14:57, Cowles, Steve wrote:
> Don wrote:
> > I have sendmail running, and set it up so I can receive mail from
> > anywhere. 
> > 
> > I've done some rudimentary testing to make sure relaying is not
> > allowed, but I'm sure there's people out there more clever than I
> > when it comes to hacking into/through systems.  
> > 
> > Just like the www.grc.com site that will do a port scan and report
> > it's findings, it would be very cool if there was a tool to relay a
> > message through a specified smtp server. (The message would be
> > generated by the test tool so the tool itself could not be used to
> > send spam)    
> > 
> > Anyway... does anybody have any suggestions for how to really test
> > the security (specifically guarding against unauthorized relaying). 
> > 
> > Thanks,
> > Don Russell
> > (North America: Pacific Time Zone)
> > 
> >         \|/
> >        (. .)
> >  ___ooO-(_)-Ooo___
> 
> 
> I have always used the following site to test my mail server
> 
> http://abuse.net/relay.html

Thanks Steve,
That worked great... and increases my confidence level somewhat. :-)

Don