Fake domains - revisiting..

Hendrik den Hartog hden at kcbbs.gen.nz
Wed Mar 7 21:12:11 CET 2007


Only access from the 'outside' is via WEB pages, so connecting to
the server, or via Outlook RPC over http.

Cheers!
Dave




On Wed, Mar 07, 2007 at 07:39:05PM +0000, Michele Neylon :: Blacknight wrote:
> Hendrik den Hartog wrote:
> >Hello
> >
> >We use Mailscanner on our schools firewall.
> >
> >We have the not uncommon issue with mail entering with fake domain names, 
> >that is,
> >mail pretending to come from our domain. (How on earth they glean the 
> >email names to
> >use is mind boggling to me?) 
> >
> >
> >I've read a few historic threads RE: this, but I'm after the current 
> >recommended procedure to deal with this issue.
> >
> >Running CentOS 3.3/sendmail-8.12.11-4
> >
> >I've added our domain name to sendmails access database 
> >(From:OurDomain.name.com), but
> >suspect this may be a crude option to take - although it seems to work?
> >
> >Advice, Feedback appreciated...
> >
> >Cheers!
> >Dave
> Dave
> 
> Does all mail from your domain come from the same server? ie. the server 
> in the school OR is it possible that someone could use the domain from 
> outside eg. at home or wherever?
> 
> Michele
> 
> -- 
> Mr Michele Neylon
> Blacknight Solutions
> Hosting & Colocation, Brand Protection
> http://www.blacknight.ie/
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