Re: dns issue - slow SMTP connection

2009-05-20 Thread Trey Briggs
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?

dns issue - slow SMTP connection

2009-05-18 Thread Felix Nielsen
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