[16974] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

spam control (was renumbering etc) through hiding relays

daemon@ATHENA.MIT.EDU (Paul Mansfield)
Mon May 18 13:46:03 1998

Date: Mon, 18 May 1998 18:28:27 +0100 (BST)
From: Paul Mansfield <paulm@uk.psi.com>
To: Dean Anderson <dean@av8.com>
cc: Ben Buxton <bb@zip.com.au>, Michael Dillon <michael@memra.com>,
        nanog@merit.edu
In-Reply-To: <v03007805b1861d69e072@[198.3.136.121]>

On Mon, 18 May 1998, Dean Anderson wrote:

> >One really nifty side effect could be to make it harder to spam through other
> >ISP's relays if the relays which had to be relatively open for customers
> >weren't visible on the 'net at large.
> 
> Your customer relays never have to be visible to the net at large.
> Remember, sendmail is a "mail router"

yes, but our relays also act as backup MX... its a long story, sigh.
luckily Exim (http://www.exim.org) can be configured to do both relay and MXing
controllably... and the documentation is plenty good enough to make it easy!


> 		--Dean

Paul
----
P Mansfield, Senior SysAdmin PSINet, +44-1223-577577x2611/577611 fax:577600 
*** If a grand piano had a rubout key, I'd be a concert pianist by now! ***


home help back first fref pref prev next nref lref last post