OT sendmail delay

[Les Mikesell]

On Thu, 2006-09-28 at 03:13, Bryan Hepworth wrote:

> I know this is off-topic seeing as how it's about sendmail but I was 
> hoping someone could help out.
> 
> I have a machine with two ethernet cards in - previously these sat on 
> two different networks to take email from inside and deliver it to the 
> smarthost externally. Now that the network has been changed to 192.168 
> arrangement we don't need both ethernet connections, but I have noticed 
> a distinct delay on the other ethernet card to get a connection, 
> sometimes over a minute. Other services work just fine on it and are 
> instantaneous as is sendmail on the internal ethernet card. Could anyone 
> point me in the right direction as to what to look for.

Sendmail does a lot of DNS lookups, even when handing to a
smarthost.  Perhaps you have 2 servers listed in /etc/resolv.conf
and only one of them works.

-- 
  Les Mikesell
   lesmikesell at gmail.com