Re: Preventing DNS lookup prior to sending 220 banner in exim4 on etch

On Tue, Jun 17, 2008 at 01:37:59PM -0300, Eduardo M KALINOWSKI wrote: > On Tue, 17 Jun 2008 17:34:02 +0200, [EMAIL PROTECTED] > ([EMAIL PROTECTED]) wrote: > >I have exim4 (exim4-daemon-heavy) running on etch. > > > >This machine has only a few users who send directly. One of them has > >an ISP wh

Preventing DNS lookup prior to sending 220 banner in exim4 on etch

I have exim4 (exim4-daemon-heavy) running on etch. This machine has only a few users who send directly. One of them has an ISP who seems to have a broken DNS setup. The symptom I see is that when this user connects to the server (port 25 or 587) there is a large delay before the 220 banner is sho