Mailscanner and DNS

[Alex Neuman van der Hans]

John Rudd wrote:
> 
> Does MailScanner cache resolver information and then do lookups directly?
> 
> Specifically, if I change the DNS server information in resolv.conf, do 
> I need to restart MailScanner?
> 
> 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.
> 
> 
No matter how you're doing it, you should still look into installing 
local DNS caching.