Author: Richard Welty Date: To: exim-users Subject: Re: [Exim] Long delays for MX DNS lookups?
On Thu, 30 Aug 2001 13:24:50 -0400, Greg Ward
<gward@???> wrote: >Are his assertions true? Ie., does Exim perform all 1600 MX DNS lookups
>before starting to deliver mail? Can 1600 MX DNS lookups cause a 20 min
>delay? (That seems possible if 1) our DNS cache [we use dnscache on
>localhost] is not much help, and 2) Exim does all the MX DNS lookup
>sequentially.)
hmmm. i don't have delays anything like this, for comparably sized
lists, on my linux server.
i do have bind running on the same box, which is generally a big win.