whitelisting

[Kevin Miller]

Craig Daters wrote:
> No, using "To:" in the whitelist rules would mean that any incoming
> mail addressed to that particular user would be allowed through.

That's how I've always intrepreted it, and, of course, I don't want to do a
blanket whitelist for a user.  Well, sometimes I'm *tempted* to open the
floodgates for select 'special' users but so far I've refrained. :-)

 
> It sounds like what you need to do is configure your MTA to refuse
> mail where the domain in the "From:" envelope is coming from MX's
> that are not listed in DNS for that domain.

Running sendmail - any pointers on how to do that, and more importantly, any
downsides?  


...Kevin
-- 
Kevin Miller                Registered Linux User No: 307357
CBJ MIS Dept.               Network Systems Admin., Mail Admin.
155 South Seward Street     ph: (907) 586-0242
Juneau, Alaska 99801        fax: (907 586-4500

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