Mailscanner and DNS

Julian Field MailScanner at ecs.soton.ac.uk
Wed Sep 27 08:52:36 IST 2006


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John Rudd wrote:
>
> Does MailScanner cache resolver information and then do lookups directly?
MailScanner ain't no dns server  :-)
It relies on your OS to do that sort of stuff.
>
> Specifically, if I change the DNS server information in resolv.conf, 
> do I need to restart MailScanner?
No.
>
> We've taken certain name servers out of our resolv.conf, and yet we're 
> still seeing traffic to those servers from our MailScanner machines.  
> I'm not sure if this is a problem with the resolver, sendmail, or 
> MailScanner.
I would suspect nscd on your MailScanner machines.

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Julian Field
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