Re: [gentoo-user] postfix - how to test

[Hans-Werner Hilse <hilse@web.de>]

Hi,

On Wed, 6 Jun 2007 11:13:09 -0500
Dan Farrell <dan@spore.ath.cx> wrote:

> > > running:
> > > 
> > >  nc localhost smtp
> > > 
> > > allows me to send mail so I guess I'm good
> > 
> > Hm, better test if it allows other people to do the same -- if it can
> > be reached via the internet or potentially harmful other parties,
> > that is. You don't want to be a "passive Spammer", don't you?
> 
> Well, I certainly can't reach it at home.minefield.dk.  That doesn't
> resolve for me.  

well, min_d_field.dk resolves, but is firewalled. But my point wasn't
this, I didn't even take into account that postfix is pretty much
secure in this regard (e.g. no strange config directives). It was meant
more generally, something that's always to be considered when _testing_
something: Not only make sure that it works, also make sure that you
don't impose foreseeable risks. Since I made a general (i.e.
daemon-independent) proposal for testing whether SMTP works, I thought
this might be a needed addition.

-hwh
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