I've found that installing a caching DNS service on each STMP server greatly reduces these delays.
On Mon, May 18, 2009 at 9:42 AM, Felix Nielsen <felix.niel...@gmail.com> wrote: > Hi > > Is it normal that when connection to the SMTP engine is performed it > takes 4-6 sec. before greeting is presented? > > I suspect it is doing some DNS lookup on the client? - can it be > disabled for IPs? > > Thanks > Felix > -- Trey Briggs Advanced Systems Engineer API Digital
