Fake domains - revisiting..

[Michele Neylon :: Blacknight]

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
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